File:  [LON-CAPA] / loncom / interface / londocs.pm
Revision 1.295: download - view: text, annotated - select for diffs
Fri Aug 3 21:50:54 2007 UTC (16 years, 9 months ago) by albertel
Branches: MAIN
CVS tags: version_2_5_X, version_2_5_2, version_2_5_1, version_2_5_0, version_2_4_99_0, HEAD
- remove double declaration

    1: # The LearningOnline Network
    2: # Documents
    3: #
    4: # $Id: londocs.pm,v 1.295 2007/08/03 21:50:54 albertel Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::londocs;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common :http);
   33: use Apache::imsexport;
   34: use Apache::lonnet;
   35: use Apache::loncommon;
   36: use LONCAPA::map();
   37: use Apache::lonratedt();
   38: use Apache::lonxml;
   39: use Apache::lonclonecourse;
   40: use Apache::lonnavmaps;
   41: use HTML::Entities;
   42: use GDBM_File;
   43: use Apache::lonlocal;
   44: use Cwd;
   45: use LONCAPA qw(:DEFAULT :match);
   46: 
   47: my $iconpath;
   48: 
   49: my %hash;
   50: 
   51: my $hashtied;
   52: my %alreadyseen=();
   53: 
   54: my $hadchanges;
   55: 
   56: # Available help topics
   57: 
   58: my %help=();
   59: 
   60: # Mapread read maps into LONCAPA::map:: global arrays 
   61: # @order and @resources, determines status
   62: # sets @order - pointer to resources in right order
   63: # sets @resources - array with the resources with correct idx
   64: #
   65: 
   66: sub mapread {
   67:     my ($coursenum,$coursedom,$map)=@_;
   68:     return
   69:       &LONCAPA::map::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   70: 			     $map);
   71: }
   72: 
   73: sub storemap {
   74:     my ($coursenum,$coursedom,$map)=@_;
   75:     my ($outtext,$errtext)=
   76:       &LONCAPA::map::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   77: 			      $map,1);
   78:     if ($errtext) { return ($errtext,2); }
   79:     
   80:     $hadchanges=1;
   81:     return ($errtext,0);
   82: }
   83: 
   84: # ----------------------------------------- Return hash with valid author names
   85: 
   86: sub authorhosts {
   87:     my %outhash=();
   88:     my $home=0;
   89:     my $other=0;
   90:     foreach (keys %env) {
   91: 	if ($_=~/^user\.role\.(au|ca)\.(.+)$/) {
   92: 	    my $role=$1;
   93: 	    my $realm=$2;
   94: 	    my ($start,$end)=split(/\./,$env{$_});
   95: 	    if (($start) && ($start>time)) { next; }
   96: 	    if (($end) && (time>$end)) { next; }
   97: 	    my $ca; my $cd;
   98: 	    if ($1 eq 'au') {
   99: 		$ca=$env{'user.name'};
  100: 		$cd=$env{'user.domain'};
  101: 	    } else {
  102: 		($cd,$ca)=($realm=~/^\/($match_domain)\/($match_username)$/);
  103: 	    }
  104: 	    my $allowed=0;
  105: 	    my $myhome=&Apache::lonnet::homeserver($ca,$cd);
  106: 	    my @ids=&Apache::lonnet::current_machine_ids();
  107: 	    foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
  108: 	    if ($allowed) {
  109: 		$home++;
  110: 		$outhash{'home_'.$ca.'@'.$cd}=1;
  111: 	    } else {
  112: 		$outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
  113: 		$other++;
  114: 	    }
  115: 	}
  116:     }
  117:     return ($home,$other,%outhash);
  118: }
  119: # ------------------------------------------------------ Generate "dump" button
  120: 
  121: sub dumpbutton {
  122:     my ($home,$other,%outhash)=&authorhosts();
  123:     my $type = &Apache::loncommon::course_type();
  124:     if ($home+$other==0) { return ''; }
  125:     if ($home) {
  126: 	return '<div>'.
  127: 	    '<input type="submit" name="dumpcourse" value="'.
  128: 	    &mt('Dump '.$type.' DOCS to Construction Space').'" />'.
  129: 	    &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs').
  130: 	    '</div>';
  131:     } else {
  132: 	return '<div>'.
  133:      &mt('Dump '.$type.
  134: 	 ' DOCS to Construction Space: available on other servers').
  135: 	 '</div>';
  136:     }
  137: }
  138: 
  139: sub clean {
  140:     my ($title)=@_;
  141:     $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
  142:     return $title;	
  143: }
  144: # -------------------------------------------------------- Actually dump course
  145: 
  146: sub dumpcourse {
  147:     my ($r) = @_;
  148:     my $type = &Apache::loncommon::course_type();
  149:     $r->print(&Apache::loncommon::start_page('Dump '.$type.' DOCS to Construction Space').
  150: 	      '<form name="dumpdoc" method="post">');
  151:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Dump '.$type.' DOCS to Construction Space'));
  152:     my ($home,$other,%outhash)=&authorhosts();
  153:     unless ($home) { return ''; }
  154:     my $origcrsid=$env{'request.course.id'};
  155:     my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
  156:     if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
  157: # Do the dumping
  158: 	unless ($outhash{'home_'.$env{'form.authorspace'}}) { return ''; }
  159: 	my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
  160: 	$r->print('<h3>'.&mt('Copying Files').'</h3>');
  161: 	my $title=$env{'form.authorfolder'};
  162: 	$title=&clean($title);
  163: 	my %replacehash=();
  164: 	foreach (keys %env) {
  165: 	    if ($_=~/^form\.namefor\_(.+)/) {
  166: 		$replacehash{$1}=$env{$_};
  167: 	    }
  168: 	}
  169: 	my $crs='/uploaded/'.$env{'request.course.id'}.'/';
  170: 	$crs=~s/\_/\//g;
  171: 	foreach (keys %replacehash) {
  172: 	    my $newfilename=$title.'/'.$replacehash{$_};
  173: 	    $newfilename=~s/\.(\w+)$//;
  174: 	    my $ext=$1;
  175: 	    $newfilename=&clean($newfilename);
  176: 	    $newfilename.='.'.$ext;
  177: 	    my @dirs=split(/\//,$newfilename);
  178: 	    my $path='/home/'.$ca.'/public_html';
  179: 	    my $makepath=$path;
  180: 	    my $fail=0;
  181: 	    for (my $i=0;$i<$#dirs;$i++) {
  182: 		$makepath.='/'.$dirs[$i];
  183: 		unless (-e $makepath) { 
  184: 		    unless(mkdir($makepath,0777)) { $fail=1; } 
  185: 		}
  186: 	    }
  187: 	    $r->print('<br /><tt>'.$_.'</tt> => <tt>'.$newfilename.'</tt>: ');
  188: 	    if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
  189: 		if ($_=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
  190: 		    print $fh &Apache::lonclonecourse::rewritefile(
  191:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$_),
  192: 				     (%replacehash,$crs => '')
  193: 								    );
  194: 		} else {
  195: 		    print $fh
  196:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$_);
  197: 		       }
  198: 		$fh->close();
  199: 	    } else {
  200: 		$fail=1;
  201: 	    }
  202: 	    if ($fail) {
  203: 		$r->print('<span class="LC_error">'.&mt('fail').'</span>');
  204: 	    } else {
  205: 		$r->print('<span class="LC_success">'.&mt('ok').'</span>');
  206: 	    }
  207: 	}
  208:     } else {
  209: # Input form
  210: 	unless ($home==1) {
  211: 	    $r->print(
  212: 		      '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
  213: 	}
  214: 	foreach (sort keys %outhash) {
  215: 	    if ($_=~/^home_(.+)$/) {
  216: 		if ($home==1) {
  217: 		    $r->print(
  218: 		  '<input type="hidden" name="authorspace" value="'.$1.'" />');
  219: 		} else {
  220: 		    $r->print('<option value="'.$1.'">'.$1.' - '.
  221: 			      &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
  222: 		}
  223: 	    }
  224: 	}
  225: 	unless ($home==1) {
  226: 	    $r->print('</select>');
  227: 	}
  228: 	my $title=$origcrsdata{'description'};
  229: 	$title=~s/[\/\s]+/\_/gs;
  230: 	$title=&clean($title);
  231: 	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3><input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
  232: 	&tiehash();
  233: 	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3><table border="2"><tr><th>'.&mt('Internal Filename').'</th><th>'.&mt('Title').'</th><th>'.&mt('Save as ...').'</th></tr>');
  234: 	foreach (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
  235: 	    $r->print('<tr><td>'.$_.'</td>');
  236: 	    my ($ext)=($_=~/\.(\w+)$/);
  237: 	    my $title=$hash{'title_'.$hash{
  238: 		'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}};
  239: 	    $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
  240: 	    if (!$title) {
  241: 		$title=$_;
  242: 	    } else {
  243: 		$title=~s|/|_|g;
  244: 	    }
  245: 	    $title=~s/\.(\w+)$//;
  246: 	    $title=&clean($title);
  247: 	    $title.='.'.$ext;
  248: 	    $r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td></tr>\n");
  249: 	}
  250: 	$r->print("</table>\n");
  251: 	&untiehash();
  252: 	$r->print(
  253:   '<p><input type="submit" name="dumpcourse" value="'.&mt('Dump [_1] DOCS',$type).'" /></p></form>');
  254:     }
  255: }
  256: 
  257: # ------------------------------------------------------ Generate "export" button
  258: 
  259: sub exportbutton {
  260:     my $type = &Apache::loncommon::course_type();
  261:     return '<div>'.
  262:             '<input type="submit" name="exportcourse" value="'.
  263:             &mt('Export '.$type.' to IMS').'" />'.
  264:     &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs').'</div>';
  265: }
  266: 
  267: sub exportcourse {
  268:     my $r=shift;
  269:     my $type = &Apache::loncommon::course_type();
  270:     my %discussiontime = &Apache::lonnet::dump('discussiontimes',
  271:                                                $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
  272:     my $numdisc = keys %discussiontime;
  273:     my $navmap = Apache::lonnavmaps::navmap->new();
  274:     my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
  275:     my $curRes;
  276:     my $outcome;
  277: 
  278:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  279:                                             ['finishexport']);
  280:     if ($env{'form.finishexport'}) {
  281:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  282:                                             ['archive','discussion']);
  283: 
  284:         my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
  285:         my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
  286:         if (@exportitems == 0 && @discussions == 0) {
  287:             $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';
  288:         } else {
  289:             my $now = time;
  290:             my %symbs;
  291:             my $manifestok = 0;
  292:             my $imsresources;
  293:             my $tempexport;
  294:             my $copyresult;
  295:             my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
  296:             if ($manifestok) {
  297:                 &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
  298:                 close($ims_manifest);
  299: 
  300: #Create zip file in prtspool
  301:                 my $imszipfile = '/prtspool/'.
  302:                 $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
  303:                    time.'_'.rand(1000000000).'.zip';
  304:                 my $cwd = &Cwd::getcwd();
  305:                 my $imszip = '/home/httpd/'.$imszipfile;
  306:                 chdir $tempexport;
  307:                 open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
  308:                 close(OUTPUT);
  309:                 chdir $cwd;
  310:                 $outcome .= &mt('Download the zip file from <a href="[_1]">IMS '.lc($type).' archive</a><br />',$imszipfile,);
  311:                 if ($copyresult) {
  312:                     $outcome .= 'The following errors occurred during export - '.$copyresult;
  313:                 }
  314:             } else {
  315:                 $outcome = '<br />Unfortunately you will not be able to retrieve an IMS archive of this posts at this time, because there was a problem creating a manifest file.<br />';
  316:             }
  317:         }
  318:         $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package'));
  319: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
  320:         $r->print($outcome);
  321:         $r->print(&Apache::loncommon::end_page());
  322:     } else {
  323:         my $display;
  324:         $display = '<form name="exportdoc" method="post">'."\n";
  325:         $display .= &mt('Choose which items you wish to export from your '.$type.'.<br /><br />');
  326:         $display .= '<table border="0" cellspacing="0" cellpadding="3">'.
  327:                     '<tr><td><fieldset><legend>&nbsp;<b>Content items</b></legend>'.
  328:                     '<input type="button" value="check all" '.
  329:                     'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
  330:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  331:                     ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
  332:                     '<td>&nbsp;</td><td>&nbsp;</td>'.
  333:                     '<td align="right"><fieldset><legend>&nbsp;<b>Discussion posts'.
  334:                     '</b></legend><input type="button" value="check all"'.
  335:                     ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
  336:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  337:                     ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
  338:                     '</tr></table>';
  339:         my $curRes;
  340:         my $depth = 0;
  341:         my $count = 0;
  342:         my $boards = 0;
  343:         my $startcount = 5;
  344:         my %parent = ();
  345:         my %children = ();
  346:         my $lastcontainer = $startcount;
  347:         my @bgcolors = ('#F6F6F6','#FFFFFF');
  348:         $display .= '<table cellspacing="0"><tr>'.
  349:             '<td><b>Export content item?<br /></b></td><td>&nbsp;</td><td align="right">'."\n";
  350:         if ($numdisc > 0) {
  351:             $display.='<b>Export&nbsp;discussion posts?</b>'."\n";
  352:         }
  353:         $display.='&nbsp;</td></tr>';
  354:         while ($curRes = $it->next()) {
  355:             if (ref($curRes)) {
  356:                 $count ++;
  357:             }
  358:             if ($curRes == $it->BEGIN_MAP()) {
  359:                 $depth++;
  360:                 $parent{$depth} = $lastcontainer;
  361:             }
  362:             if ($curRes == $it->END_MAP()) {
  363:                 $depth--;
  364:                 $lastcontainer = $parent{$depth};
  365:             }
  366:             if (ref($curRes)) {
  367:                 my $symb = $curRes->symb();
  368:                 my $ressymb = $symb;
  369:                 if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  370:                     unless ($ressymb =~ m|adm/wrapper/adm|) {
  371:                         $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  372:                     }
  373:                 }
  374:                 my $color = $count%2;
  375:                 $display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
  376:                     '<input type="checkbox" name="archive" value="'.$count.'" ';
  377:                 if (($curRes->is_sequence()) || ($curRes->is_page())) {
  378:                     my $checkitem = $count + $boards + $startcount;
  379:                     $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
  380:                 }
  381:                 $display .= ' />'."\n";
  382:                 for (my $i=0; $i<$depth; $i++) {
  383:                     $display .= '<img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" /><img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" />'."\n";
  384:                 }
  385:                 if ($curRes->is_sequence()) {
  386:                     $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif">&nbsp;'."\n";
  387:                     $lastcontainer = $count + $startcount + $boards;
  388:                 } elsif ($curRes->is_page()) {
  389:                     $display .= '<img src="/adm/lonIcons/navmap.page.open.gif">&nbsp;'."\n";
  390:                     $lastcontainer = $count + $startcount + $boards;
  391:                 }
  392:                 my $currelem = $count+$boards+$startcount;
  393:                 $children{$parent{$depth}} .= $currelem.':';
  394:                 $display .= '&nbsp;'.$curRes->title().'</td>';
  395:                 if ($discussiontime{$ressymb} > 0) {
  396:                     $boards ++;
  397:                     $currelem = $count+$boards+$startcount;
  398:                     $display .= '<td>&nbsp;</td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" />&nbsp;</td>'."\n";
  399:                 } else {
  400:                     $display .= '<td colspan="2">&nbsp;</td>'."\n";
  401:                 }
  402:             }
  403:         }
  404:         my $scripttag = qq|
  405: <script>
  406: 
  407: function checkAll(field) {
  408:     if (field.length > 0) {
  409:         for (i = 0; i < field.length; i++) {
  410:             field[i].checked = true ;
  411:         }
  412:     } else {
  413:         field.checked = true
  414:     }
  415: }
  416:                                                                                 
  417: function uncheckAll(field) {
  418:     if (field.length > 0) {
  419:         for (i = 0; i < field.length; i++) {
  420:             field[i].checked = false ;
  421:         }
  422:     } else {
  423:         field.checked = false ;
  424:     }
  425: }
  426: 
  427: function propagateCheck(item) {
  428:     if (document.exportdoc.elements[item].checked == true) {
  429:         containerCheck(item)
  430:     }
  431: } 
  432: 
  433: function containerCheck(item) {
  434:     document.exportdoc.elements[item].checked = true
  435:     var numitems = $count + $boards + $startcount
  436:     var parents = new Array(numitems)
  437:     for (var i=$startcount; i<numitems; i++) {
  438:         parents[i] = new Array
  439:     }
  440:         |;
  441: 
  442:         foreach my $container (sort { $a <=> $b } keys %children) {
  443:             my @contents = split/:/,$children{$container};
  444:             for (my $i=0; $i<@contents; $i ++) {
  445:                 $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
  446:             }
  447:         }
  448: 
  449:         $scripttag .= qq|
  450:     if (parents[item].length > 0) {
  451:         for (var j=0; j<parents[item].length; j++) {
  452:             containerCheck(parents[item][j])
  453:         }
  454:      }   
  455: }
  456: 
  457: </script>
  458:         |;
  459: 	$r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package',
  460: 						 $scripttag));
  461: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
  462: 	$r->print($display.'</table>'.
  463:                   '<p><input type="hidden" name="finishexport" value="1">'.
  464:                   '<input type="submit" name="exportcourse" value="'.
  465:                   &mt('Export '.$type.' DOCS').'" /></p></form>'.
  466: 		  &Apache::loncommon::end_page());
  467:     }
  468: }
  469: 
  470: sub create_ims_store {
  471:     my ($now,$manifestok,$outcome,$tempexport) = @_;
  472:     $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
  473:     my $ims_manifest;
  474:     if (!-e $$tempexport) {
  475:         mkdir($$tempexport,0700);
  476:     }
  477:     $$tempexport .= '/'.$now;
  478:     if (!-e $$tempexport) {
  479:         mkdir($$tempexport,0700);
  480:     }
  481:     $$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
  482:     if (!-e $$tempexport) {
  483:         mkdir($$tempexport,0700);
  484:     }
  485:     if (!-e "$$tempexport/resources") {
  486:         mkdir("$$tempexport/resources",0700);
  487:     }
  488: # open manifest file
  489:     my $manifest = '/imsmanifest.xml';
  490:     my $manifestfilename = $$tempexport.$manifest;
  491:     if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
  492:         $$manifestok=1;
  493:         print $ims_manifest
  494: '<?xml version="1.0" encoding="UTF-8"?>'."\n".
  495: '<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
  496: ' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
  497: ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
  498: ' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
  499: '  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
  500: '  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
  501: '  <metadata>
  502:     <schema></schema>
  503:     <imsmd:lom>
  504:       <imsmd:general>
  505:         <imsmd:identifier>'.$env{'request.course.id'}.'</imsmd:identifier>
  506:         <imsmd:title>
  507:           <imsmd:langstring xml:lang="en">'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</imsmd:langstring>
  508:         </imsmd:title>
  509:       </imsmd:general>
  510:     </imsmd:lom>
  511:   </metadata>'."\n".
  512: '  <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
  513: '    <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
  514: ' structure="hierarchical">'."\n".
  515: '      <title>'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</title>'
  516:     } else {
  517:         $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
  518: ;
  519:     }
  520:     return $ims_manifest;
  521: }
  522: 
  523: sub build_package {
  524:     my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
  525: # first iterator to look for dependencies
  526:     my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  527:     my $curRes;
  528:     my $count = 0;
  529:     my $depth = 0;
  530:     my $lastcontainer = 0;
  531:     my %parent = ();
  532:     my @dependencies = ();
  533:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  534:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  535:     while ($curRes = $it->next()) {
  536:         if (ref($curRes)) {
  537:             $count ++;
  538:         }
  539:         if ($curRes == $it->BEGIN_MAP()) {
  540:             $depth++;
  541:             $parent{$depth} = $lastcontainer;
  542:         }
  543:         if ($curRes == $it->END_MAP()) {
  544:             $depth--;
  545:             $lastcontainer = $parent{$depth};
  546:         }
  547:         if (ref($curRes)) {
  548:             if ($curRes->is_sequence() || $curRes->is_page()) {
  549:                 $lastcontainer = $count;
  550:             }
  551:             if (grep/^$count$/,@$exportitems) {
  552:                 &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
  553:             }
  554:         }
  555:     }
  556: # second iterator to build manifest and store resources
  557:     $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  558:     $depth = 0;
  559:     my $prevdepth;
  560:     $count = 0;
  561:     my $imsresources;
  562:     my $pkgdepth;
  563:     while ($curRes = $it->next()) {
  564:         if ($curRes == $it->BEGIN_MAP()) {
  565:             $prevdepth = $depth;
  566:             $depth++;
  567:         }
  568:         if ($curRes == $it->END_MAP()) {
  569:             $prevdepth = $depth;
  570:             $depth--;
  571:         }
  572: 
  573:         if (ref($curRes)) {
  574:             $count ++;
  575:             if ((grep/^$count$/,@$exportitems) || (grep/^$count$/,@dependencies)) {
  576:                 my $symb = $curRes->symb();
  577:                 my $isvisible = 'true';
  578:                 my $resourceref;
  579:                 if ($curRes->randomout()) {
  580:                     $isvisible = 'false';
  581:                 }
  582:                 unless ($curRes->is_sequence()) {
  583:                     $resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
  584:                 }
  585:                 my $step = $prevdepth - $depth;
  586:                 if (($step >= 0) && ($count > 1)) {
  587:                     while ($step >= 0) {
  588:                         print $ims_manifest "\n".'  </item>'."\n";
  589:                         $step --;
  590:                     }
  591:                 }
  592:                 $prevdepth = $depth;
  593: 
  594:                 my $itementry =
  595:               '<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
  596:               '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
  597:               '<title>'.$curRes->title().'</title>';
  598:                 print $ims_manifest "\n".$itementry;
  599: 
  600:                 unless ($curRes->is_sequence()) {
  601:                     my $content_file;
  602:                     my @hrefs = ();
  603:                     &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
  604:                     if ($content_file) {
  605:                         $imsresources .= "\n".
  606:                      '   <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
  607:                      '" type="webcontent" href="'.$content_file.'">'."\n".
  608:                      '       <file href="'.$content_file.'" />'."\n";
  609:                         foreach (@hrefs) {
  610:                             $imsresources .=
  611:                      '        <file href="'.$_.'" />'."\n";
  612:                         }
  613:                         if (grep/^$count$/,@$discussions) {
  614:                             my $ressymb = $symb;
  615:                             my $mode;
  616:                             if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  617:                                 unless ($ressymb =~ m|adm/wrapper/adm|) {
  618:                                     $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  619:                                 }
  620:                                 $mode = 'board';
  621:                             }
  622:                             my %extras = (
  623:                                           caller => 'imsexport',
  624:                                           tempexport => $tempexport.'/resources',
  625:                                           count => $count
  626:                                          );
  627:                             my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
  628:                         }
  629:                         $imsresources .= '    </resource>'."\n";
  630:                     }
  631:                 }
  632:                 $pkgdepth = $depth;
  633:             }
  634:         }
  635:     }
  636:     while ($pkgdepth > 0) {
  637:         print $ims_manifest "    </item>\n";
  638:         $pkgdepth --;
  639:     }
  640:     my $resource_text = qq|
  641:     </organization>
  642:   </organizations>
  643:   <resources>
  644:     $imsresources
  645:   </resources>
  646: </manifest>
  647:     |;
  648:     print $ims_manifest $resource_text;
  649: }
  650: 
  651: sub get_dependencies {
  652:     my ($exportitems,$parent,$depth,$dependencies) = @_;
  653:     if ($depth > 1) {
  654:         if ((!grep/^$$parent{$depth}$/,@$exportitems) && (!grep/^$$parent{$depth}$/,@$dependencies)) {
  655:             push @$dependencies, $$parent{$depth};
  656:             if ($depth > 2) {
  657:                 &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
  658:             }
  659:         }
  660:     }
  661: }
  662: 
  663: sub process_content {
  664:     my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
  665:     my $content_type;
  666:     my $message;
  667:     my @uploads = ();
  668:     if ($curRes->is_sequence()) {
  669:         $content_type = 'sequence';
  670:     } elsif ($curRes->is_page()) {
  671:         $content_type = 'page'; # need to handle individual items in pages.
  672:     } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
  673:         $content_type = 'syllabus';
  674:         my $contents = &Apache::imsexport::templatedpage($content_type);
  675:         if ($contents) {
  676:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  677:         }
  678:     } elsif ($symb =~ m-\.sequence___\d+___ext-) {
  679:         $content_type = 'external';
  680:         my $title = $curRes->title;
  681:         my $contents =  &Apache::imsexport::external($symb,$title);
  682:         if ($contents) {
  683:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  684:         }
  685:     } elsif ($symb =~ m-adm/navmaps$-) {
  686:         $content_type =  'navmap';
  687:     } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
  688:         $content_type = 'simplepage';
  689:         my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
  690:         if ($contents) {
  691:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  692:         }
  693:     } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
  694:         $content_type = 'simpleproblem';
  695:         my $contents =  &Apache::imsexport::simpleproblem($symb);
  696:         if ($contents) {
  697:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  698:         }
  699:     } elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
  700:         $content_type = 'examupload';
  701:     } elsif ($symb =~ m-adm/($match_domain)/($match_username)/(\d+)/bulletinboard$-) {
  702:         $content_type = 'bulletinboard';
  703:         my $contents =  &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
  704:         if ($contents) {
  705:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  706:         }
  707:     } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
  708:         $content_type = 'aboutme';
  709:         my $contents =  &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
  710:         if ($contents) {
  711:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  712:         }
  713:     } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
  714:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  715:     } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
  716:         my $canedit = 0;
  717:         if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'})  {
  718:             $canedit= 1;
  719:         }
  720: # only include problem code where current user is author
  721:         if ($canedit) {
  722:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
  723:         } else {
  724:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
  725:         }
  726:     } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
  727:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  728:     }
  729:     if (@uploads > 0) {
  730:         foreach my $item (@uploads) {
  731:             my $uploadmsg = '';
  732:             &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
  733:             if ($uploadmsg) {
  734:                 $$copyresult .= $uploadmsg."\n";
  735:             }
  736:         }
  737:     }
  738:     if ($message) {
  739:         $$copyresult .= $message."\n";
  740:     }
  741: }
  742: 
  743: sub replicate_content {
  744:     my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
  745:     my ($map,$ind,$url);
  746:     if ($caller eq 'templateupload') {
  747:         $url = $symb;
  748:         $url =~ s#//#/#g;
  749:     } else { 
  750:         ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
  751:     }
  752:     my $content;
  753:     my $filename;
  754:     my $repstatus;
  755:     my $content_name;
  756:     if ($url =~ m-/([^/]+)$-) {
  757:         $filename = $1;
  758:         if (!-e $tempexport.'/resources') {
  759:             mkdir($tempexport.'/resources',0700);
  760:         }
  761:         if (!-e $tempexport.'/resources/'.$count) {
  762:             mkdir($tempexport.'/resources/'.$count,0700);
  763:         }
  764:         my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
  765:         my $copiedfile;
  766:         if ($copiedfile = Apache::File->new('>'.$destination)) {
  767:             my $content;
  768:             if ($caller eq 'resource') {
  769:                 my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
  770:                 my $filepath = &Apache::lonnet::filelocation($respath,$url);
  771:                 $content = &Apache::lonnet::getfile($filepath);
  772:                 if ($content eq -1) {
  773:                     $$message = 'Could not copy file '.$filename;
  774:                 } else {
  775:                     &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
  776:                     $repstatus = 'ok';
  777:                 }
  778:             } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
  779:                 my $rtncode;
  780:                 $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
  781:                 if ($repstatus eq 'ok') {
  782:                     if ($url =~ /\.html?$/i) {
  783:                         &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
  784:                     }
  785:                 } else {
  786:                     $$message = 'Could not render '.$url.' server message - '.$rtncode."<br />\n";
  787:                 }
  788:             } elsif ($caller eq 'noedit') {
  789: # Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this. 
  790:                 $repstatus = 'ok';
  791:                 $content = 'Not the owner of this resource'; 
  792:             }
  793:             if ($repstatus eq 'ok') {
  794:                 print $copiedfile $content;
  795:             }
  796:             close($copiedfile);
  797:         } else {
  798:             $$message = 'Could not open destination file for '.$filename."<br />\n";
  799:         }
  800:     } else {
  801:         $$message = 'Could not determine name of file for '.$symb."<br />\n";
  802:     }
  803:     if ($repstatus eq 'ok') {
  804:         $content_name = 'resources/'.$count.'/'.$filename;
  805:     }
  806:     return $content_name;
  807: }
  808: 
  809: sub extract_media {
  810:     my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
  811:     my ($dirpath,$container);
  812:     my %allfiles = ();
  813:     my %codebase = ();
  814:     if ($url =~ m-(.*/)([^/]+)$-) {
  815:         $dirpath = $1;
  816:         $container = $2;
  817:     } else {
  818:         $dirpath = $url;
  819:         $container = '';
  820:     }
  821:     &Apache::lonnet::extract_embedded_items(undef,undef,\%allfiles,\%codebase,$content);
  822:     foreach my $embed_file (keys(%allfiles)) {
  823:         my $filename;
  824:         if ($embed_file =~ m#([^/]+)$#) {
  825:             $filename = $1;
  826:         } else {
  827:             $filename = $embed_file;
  828:         }
  829:         my $newname = 'res/'.$filename;
  830:         my ($rtncode,$embed_content,$repstatus);
  831:         my $embed_url;
  832:         if ($embed_file =~ m-^/-) {
  833:             $embed_url = $embed_file;           # points to absolute path
  834:         } else {
  835:             if ($embed_file =~ m-https?://-) {
  836:                 next;                           # points to url
  837:             } else {
  838:                 $embed_url = $dirpath.$embed_file;  # points to relative path
  839:             }
  840:         }
  841:         if ($caller eq 'resource') {
  842:             my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';  
  843:             my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url); 
  844:             $embed_content = &Apache::lonnet::getfile($embed_path);
  845:             unless ($embed_content eq -1) {
  846:                 $repstatus = 'ok';
  847:             }
  848:         } elsif ($caller eq 'uploaded') {
  849:             
  850:             $repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
  851:         }
  852:         if ($repstatus eq 'ok') {
  853:             my $destination = $tempexport.'/resources/'.$count.'/res';
  854:             if (!-e "$destination") {
  855:                 mkdir($destination,0755);
  856:             }
  857:             $destination .= '/'.$filename;
  858:             my $copiedfile;
  859:             if ($copiedfile = Apache::File->new('>'.$destination)) {
  860:                 print $copiedfile $embed_content;
  861:                 push @{$href}, 'resources/'.$count.'/res/'.$filename;
  862:                 my $attrib_regexp = '';
  863:                 if (@{$allfiles{$embed_file}} > 1) {
  864:                     $attrib_regexp = join('|',@{$allfiles{$embed_file}});
  865:                 } else {
  866:                     $attrib_regexp = $allfiles{$embed_file}[0];
  867:                 }
  868:                 $$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
  869:                 if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
  870:                     $$content =~ s#\Q$embed_file\E#$newname#gi;
  871:                 }
  872:             }
  873:         } else {
  874:             $$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode."<br />\n";
  875:         }
  876:     }
  877:     return;
  878: }
  879: 
  880: sub store_template {
  881:     my ($contents,$tempexport,$count,$content_type) = @_;
  882:     if ($contents) {
  883:         if ($tempexport) {
  884:             if (!-e $tempexport.'/resources') {
  885:                 mkdir($tempexport.'/resources',0700);
  886:             }
  887:             if (!-e $tempexport.'/resources/'.$count) {
  888:                 mkdir($tempexport.'/resources/'.$count,0700);
  889:             }
  890:             my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
  891:             my $storetemplate;
  892:             if ($storetemplate = Apache::File->new('>'.$destination)) {
  893:                 print $storetemplate $contents;
  894:                 close($storetemplate);
  895:             }
  896:             if ($content_type eq 'external') {
  897:                 return 'resources/'.$count.'/'.$content_type.'.html';
  898:             } else {
  899:                 return 'resources/'.$count.'/'.$content_type.'.xml';
  900:             }
  901:         }
  902:     }
  903: }
  904: 
  905: # Imports the given (name, url) resources into the course
  906: # coursenum, coursedom, and folder must precede the list
  907: sub group_import {
  908:     my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
  909: 
  910:     while (@files) {
  911: 	my ($name, $url, $residx) = @{ shift(@files) };
  912:         if (($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$}) 
  913: 	     && ($caller eq 'londocs')
  914: 	     && (!&Apache::lonnet::stat_file($url))) {
  915: 	    
  916:             my $errtext = '';
  917:             my $fatal = 0;
  918:             my $newmapstr = '<map>'."\n".
  919:                             '<resource id="1" src="" type="start"></resource>'."\n".
  920:                             '<link from="1" to="2" index="1"></link>'."\n".
  921:                             '<resource id="2" src="" type="finish"></resource>'."\n".
  922:                             '</map>';
  923:             $env{'form.output'}=$newmapstr;
  924:             my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
  925:                                                 'output',$1.$2);
  926:             if ($result != m|^/uploaded/|) {
  927:                 $errtext.='Map not saved: A network error occured when trying to save the new map. ';
  928:                 $fatal = 2;
  929:             }
  930:             if ($fatal) {
  931:                 return ($errtext,$fatal);
  932:             }
  933:         }
  934: 	if ($url) {
  935: 	    if (!$residx 
  936: 		|| defined($LONCAPA::map::zombies[$residx])) {
  937: 		$residx = &LONCAPA::map::getresidx($url,$residx);
  938: 		push(@LONCAPA::map::order, $residx);
  939: 	    }
  940: 	    my $ext = 'false';
  941: 	    if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
  942: 	    $url  = &LONCAPA::map::qtunescape($url);
  943: 	    $name = &LONCAPA::map::qtunescape($name);
  944: 	    $LONCAPA::map::resources[$residx] = 
  945: 		join(':', ($name, $url, $ext, 'normal', 'res'));
  946: 	}
  947:     }
  948:     return &storemap($coursenum, $coursedom, $folder.'.'.$container);
  949: }
  950: 
  951: sub breadcrumbs {
  952:     my ($where)=@_;
  953:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  954:     my (@folders);
  955:     if ($env{'form.pagepath'}) {
  956:         @folders = split('&',$env{'form.pagepath'});
  957:     } else {
  958:         @folders=split('&',$env{'form.folderpath'});
  959:     }
  960:     my $folderpath;
  961:     my $cpinfo='';
  962:     my $plain='';
  963:     my $randompick=-1;
  964:     my $isencrypted=0;
  965:     my $ishidden=0;
  966:     while (@folders) {
  967: 	my $folder=shift(@folders);
  968: 	my $foldername=shift(@folders);
  969: 	if ($folderpath) {$folderpath.='&';}
  970: 	$folderpath.=$folder.'&'.$foldername;
  971: 	my $url='/adm/coursedocs?folderpath='.
  972: 	    &escape($folderpath);
  973:             my $name=&unescape($foldername);
  974: # randompick number, hidden, encrypted is appended with ":"s to the foldername	
  975:             $name=~s/\:(\d*)\:(\w*)\:(\w*)$//;
  976:             if ($1 ne '') { 
  977:                $randompick=$1;
  978:             } else {
  979:                $randompick=-1;
  980:             }
  981:             if ($2) { $ishidden=1; }
  982:             if ($3) { $isencrypted=1; }
  983: 	    &Apache::lonhtmlcommon::add_breadcrumb(
  984: 		      {'href'=>$url.$cpinfo,
  985: 		       'title'=>$name,
  986: 		       'text'=>'<font size="+1">'.
  987: 			   $name.'</font>',
  988: 		       'no_mt'=>1,
  989: 		       });
  990: 	$plain.=$name.' &gt; ';
  991:     }
  992:     $plain=~s/\&gt\;\s*$//;
  993:     return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
  994: 					       'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain);
  995: }
  996: 
  997: sub log_docs {
  998:     return &Apache::lonnet::instructor_log('docslog',@_);
  999: }
 1000: 
 1001: {
 1002:     my @oldresources=();
 1003:     my @oldorder=();
 1004:     my $parmidx;
 1005:     my %parmaction=();
 1006:     my %parmvalue=();
 1007:     my $changedflag;
 1008: 
 1009:     sub snapshotbefore {
 1010:         @oldresources=@LONCAPA::map::resources;
 1011:         @oldorder=@LONCAPA::map::order;
 1012:         $parmidx=undef;
 1013:         %parmaction=();
 1014:         %parmvalue=();
 1015:         $changedflag=0;
 1016:     }
 1017: 
 1018:     sub remember_parms {
 1019:         my ($idx,$parameter,$action,$value)=@_;
 1020:         $parmidx=$idx;
 1021:         $parmaction{$parameter}=$action;
 1022:         $parmvalue{$parameter}=$value;
 1023:         $changedflag=1;
 1024:     }
 1025: 
 1026:     sub log_differences {
 1027:         my ($plain)=@_;
 1028:         my %storehash=('folder' => $plain,
 1029:                        'currentfolder' => $env{'form.folder'});
 1030:         if ($parmidx) {
 1031:            $storehash{'parameter_res'}=$oldresources[$parmidx];
 1032:            foreach my $parm (keys %parmaction) {
 1033:               $storehash{'parameter_action_'.$parm}=$parmaction{$parm};
 1034:               $storehash{'parameter_value_'.$parm}=$parmvalue{$parm};
 1035:            }
 1036:         }
 1037:         my $maxidx=$#oldresources;
 1038:         if ($#LONCAPA::map::resources>$#oldresources) {
 1039:            $maxidx=$#LONCAPA::map::resources;
 1040:         }
 1041:         for (my $idx=0; $idx<=$maxidx; $idx++) {
 1042:            if ($LONCAPA::map::resources[$idx] ne $oldresources[$idx]) {
 1043:               $storehash{'before_resources_'.$idx}=$oldresources[$idx];
 1044:               $storehash{'after_resources_'.$idx}=$LONCAPA::map::resources[$idx];
 1045:               $changedflag=1;
 1046:            }
 1047:            if ($LONCAPA::map::order[$idx] ne $oldorder[$idx]) {
 1048:               $storehash{'before_order_res_'.$idx}=$oldresources[$oldorder[$idx]];
 1049:               $storehash{'after_order_res_'.$idx}=$LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1050:               $changedflag=1;
 1051:            }
 1052:         }
 1053: 	$storehash{'maxidx'}=$maxidx;
 1054:         if ($changedflag) { &log_docs(\%storehash); }
 1055:     }
 1056: }
 1057: 
 1058: 
 1059: #
 1060: # Docs Change Log
 1061: #
 1062: sub docs_change_log {
 1063:     my ($r)=@_;
 1064:     my $folder=$env{'form.folder'};
 1065:     $r->print(&Apache::loncommon::start_page('Course Document Change Log'));
 1066:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Document Change Log'));
 1067:     my %docslog=&Apache::lonnet::dump('nohist_docslog',
 1068:                                       $env{'course.'.$env{'request.course.id'}.'.domain'},
 1069:                                       $env{'course.'.$env{'request.course.id'}.'.num'});
 1070: 
 1071:     if ((keys(%docslog))[0]=~/^error\:/) { undef(%docslog); }
 1072: 
 1073:     $r->print('<form action="/adm/coursedocs" method="post" name="docslog">'.
 1074:               '<input type="hidden" name="docslog" value="1" />');
 1075: 
 1076:     my %saveable_parameters = ('show' => 'scalar',);
 1077:     &Apache::loncommon::store_course_settings('docs_log',
 1078:                                               \%saveable_parameters);
 1079:     &Apache::loncommon::restore_course_settings('docs_log',
 1080:                                                 \%saveable_parameters);
 1081:     if (!$env{'form.show'}) { $env{'form.show'}=10; }
 1082:     my %lt=('hiddenresource' => 'Resources hidden',
 1083: 	    'encrypturl'     => 'URL hidden',
 1084: 	    'randompick'     => 'Randomly pick',
 1085: 	    'set'            => 'set to',
 1086: 	    'del'            => 'deleted');
 1087:     $r->print(&Apache::loncommon::display_filter().
 1088:               '<input type="hidden" name="folder" value="'.$folder.'" />'.
 1089:               '<input type="submit" value="'.&mt('Display').'" /></form>');
 1090:     $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
 1091:               '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Folder').'</th><th>'.&mt('Before').'</th><th>'.
 1092:               &mt('After').'</th>'.
 1093:               &Apache::loncommon::end_data_table_header_row());
 1094:     my $shown=0;
 1095:     foreach my $id (sort { $docslog{$b}{'exe_time'}<=>$docslog{$a}{'exe_time'} } (keys(%docslog))) {
 1096: 	if ($env{'form.displayfilter'} eq 'currentfolder') {
 1097: 	    if ($docslog{$id}{'logentry'}{'currentfolder'} ne $folder) { next; }
 1098: 	}
 1099:         my @changes=keys(%{$docslog{$id}{'logentry'}});
 1100:         if ($env{'form.displayfilter'} eq 'containing') {
 1101: 	    my $wholeentry=$docslog{$id}{'exe_uname'}.':'.$docslog{$id}{'exe_udom'}.':'.
 1102: 		&Apache::loncommon::plainname($docslog{$id}{'exe_uname'},$docslog{$id}{'exe_udom'});
 1103: 	    foreach my $key (@changes) {
 1104: 		$wholeentry.=':'.$docslog{$id}{'logentry'}{$key};
 1105: 	    }
 1106: 	    if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }         
 1107: 	}
 1108:         my $count = 0;
 1109:         my $time =
 1110:             &Apache::lonlocal::locallocaltime($docslog{$id}{'exe_time'});
 1111:         my $plainname =
 1112:             &Apache::loncommon::plainname($docslog{$id}{'exe_uname'},
 1113:                                           $docslog{$id}{'exe_udom'});
 1114:         my $about_me_link =
 1115:             &Apache::loncommon::aboutmewrapper($plainname,
 1116:                                                $docslog{$id}{'exe_uname'},
 1117:                                                $docslog{$id}{'exe_udom'});
 1118:         my $send_msg_link='';
 1119:         if ((($docslog{$id}{'exe_uname'} ne $env{'user.name'})
 1120:              || ($docslog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
 1121:             $send_msg_link ='<br />'.
 1122:                 &Apache::loncommon::messagewrapper(&mt('Send message'),
 1123:                                                    $docslog{$id}{'exe_uname'},
 1124:                                                    $docslog{$id}{'exe_udom'});
 1125:         }
 1126:         $r->print(&Apache::loncommon::start_data_table_row());
 1127:         $r->print('<td>'.$time.'</td>
 1128:                        <td>'.$about_me_link.
 1129:                   '<br /><tt>'.$docslog{$id}{'exe_uname'}.
 1130:                                   ':'.$docslog{$id}{'exe_udom'}.'</tt>'.
 1131:                   $send_msg_link.'</td><td>'.
 1132:                   $docslog{$id}{'logentry'}{'folder'}.'</td><td>');
 1133: # Before
 1134: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1135: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1136: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1137: 	    if ($oldname ne $newname) {
 1138: 		$r->print(&LONCAPA::map::qtescape($oldname));
 1139: 	    }
 1140: 	}
 1141: 	$r->print('<ul>');
 1142: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1143:             if ($docslog{$id}{'logentry'}{'before_order_res_'.$idx}) {
 1144: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'before_order_res_'.$idx}))[0]).'</li>');
 1145: 	    }
 1146: 	}
 1147: 	$r->print('</ul>');
 1148: # After
 1149:         $r->print('</td><td>');
 1150: 
 1151: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1152: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1153: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1154: 	    if ($oldname ne '' && $oldname ne $newname) {
 1155: 		$r->print(&LONCAPA::map::qtescape($newname));
 1156: 	    }
 1157: 	}        
 1158: 	$r->print('<ul>');
 1159: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1160:             if ($docslog{$id}{'logentry'}{'after_order_res_'.$idx}) {
 1161: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'after_order_res_'.$idx}))[0]).'</li>');
 1162: 	    }
 1163: 	}
 1164: 	$r->print('</ul>');
 1165: 	if ($docslog{$id}{'logentry'}{'parameter_res'}) {
 1166: 	    $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
 1167: 	    foreach my $parameter ('randompick','hiddenresource','encrypturl') {
 1168: 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 1169: 		    $r->print('<li>'.
 1170: 			      &mt($lt{$parameter}.' '.$lt{$docslog{$id}{'logentry'}{'parameter_action_'.$parameter}}.' [_1]',
 1171: 				  $docslog{$id}{'logentry'}{'parameter_value_'.$parameter})
 1172: 			      .'</li>');
 1173: 		}
 1174: 	    }
 1175: 	    $r->print('</ul>');
 1176: 	}
 1177: # End
 1178:         $r->print('</td>'.&Apache::loncommon::end_data_table_row());
 1179:         $shown++;
 1180:         if (!($env{'form.show'} eq &mt('all')
 1181:               || $shown<=$env{'form.show'})) { last; }
 1182:     }
 1183:     $r->print(&Apache::loncommon::end_data_table());
 1184: }
 1185: 
 1186: sub update_paste_buffer {
 1187:     my ($coursenum,$coursedom) = @_;
 1188: 
 1189:     return if (!defined($env{'form.markcopy'}));
 1190:     return if (!defined($env{'form.copyfolder'}));
 1191:     return if ($env{'form.markcopy'} < 0);
 1192: 
 1193:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1194: 				    $env{'form.copyfolder'});
 1195:     
 1196:     return if ($fatal);
 1197: 
 1198: # Mark for copying
 1199:     my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
 1200:     if (&is_supplemental_title($title)) {
 1201: 	($title) = &parse_supplemental_title($title);
 1202:     }
 1203:     $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
 1204: 
 1205:     &Apache::lonnet::appenv('docs.markedcopy_title' => $title,
 1206: 			    'docs.markedcopy_url'   => $url);
 1207:     delete($env{'form.markcopy'});
 1208: }
 1209: 
 1210: sub print_paste_buffer {
 1211:     my ($r,$container) = @_;
 1212:     return if (!defined($env{'docs.markedcopy_url'}));
 1213: 
 1214:     $r->print(<<ENDPASTE);
 1215: <form name="pasteform" action="/adm/coursedocs" method="post"><p>
 1216: ENDPASTE
 1217:     $r->print('<input type="submit" name="pastemarked" value="'.&mt('Paste').'" /> ');
 1218: 
 1219:     my $type;
 1220:     if ($env{'docs.markedcopy_url'} =~ m{^(?:/adm/wrapper/ext|(?:http|https)(?:&colon;|:))//} ) {
 1221: 	$type = &mt('External Resource');
 1222: 	$r->print($type.': '.
 1223: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_title'}).' ('.
 1224: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_url'}).')');
 1225:     }  else {
 1226: 	my $extension = (split(/\./,$env{'docs.markedcopy_url'}))[-1];
 1227: 	my $type = &Apache::loncommon::filedescription($extension);
 1228: 	my $icon = '<img src="'.&Apache::loncommon::icon($extension).
 1229: 	    '" alt="" class="LC_icon" />';
 1230: 	$r->print($icon.$type.': '.  &parse_supplemental_title(&LONCAPA::map::qtescape($env{'docs.markedcopy_title'})));
 1231:     }
 1232:     if ($container eq 'page') {
 1233: 	$r->print('
 1234: 	<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />
 1235: 	<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />
 1236: ');
 1237:     } else {
 1238: 	$r->print('
 1239:         <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 1240: ');
 1241:     }
 1242:     $r->print('</p></form>');
 1243: }
 1244: 
 1245: sub do_paste_from_buffer {
 1246:     my ($coursenum,$coursedom) = @_;
 1247: 
 1248:     return 0 if (!$env{'form.pastemarked'});
 1249: 
 1250: # paste resource to end of list
 1251:     my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url'});
 1252:     my $title=&LONCAPA::map::qtescape($env{'docs.markedcopy_title'});
 1253: # Maps need to be copied first
 1254:     if (($url=~/\.(page|sequence)$/) && ($url=~/^\/uploaded\//)) {
 1255: 	$title=&mt('Copy of').' '.$title;
 1256: 	my $newid=$$.time;
 1257: 	$url=~/^(.+)\.(\w+)$/;
 1258: 	my $newurl=$1.$newid.'.'.$2;
 1259: 	my $storefn=$newurl;
 1260: 	$storefn=~s{^/\w+/$match_domain/$match_username/}{};
 1261: 	&Apache::lonclonecourse::writefile($env{'request.course.id'},$storefn,
 1262: 					   &Apache::lonnet::getfile($url));
 1263: 	$url = $newurl;
 1264:     }
 1265: # published maps can only exists once, so remove it from paste buffer when done
 1266:     if (($url=~/\.(page|sequence)$/) && ($url=~m {^/res/})) {
 1267: 	&Apache::lonnet::delenv('docs\\.markedcopy');
 1268:     }
 1269:     if ($url=~ m{/smppg$}) {
 1270: 	my $db_name = &Apache::lonsimplepage::get_db_name($url);
 1271: 	if ($db_name =~ /^smppage_/) {
 1272: 	    #simple pages, need to copy the db contents to a new one.
 1273: 	    my %contents=&Apache::lonnet::dump($db_name,$coursedom,$coursenum);
 1274: 	    my $now = time();
 1275: 	    $db_name =~ s{_\d*$ }{_$now}x;
 1276: 	    my $result=&Apache::lonnet::put($db_name,\%contents,
 1277: 					    $coursedom,$coursenum);
 1278: 	    $url =~ s{/(\d*)/smppg$ }{/$now/smppg}x; 
 1279: 	    $title=&mt('Copy of').' '.$title;
 1280: 	}
 1281:     }
 1282:     $title = &LONCAPA::map::qtunescape($title);
 1283:     my $ext='false';
 1284:     if ($url=~m{^http(|s)://}) { $ext='true'; }
 1285:     $url       = &LONCAPA::map::qtunescape($url);
 1286: # Now insert the URL at the bottom
 1287:     my $newidx = &LONCAPA::map::getresidx($url);
 1288:     $LONCAPA::map::resources[$newidx]= 	$title.':'.$url.':'.$ext.':normal:res';
 1289:     push(@LONCAPA::map::order, $newidx);
 1290: # Store the result
 1291: }
 1292: 
 1293: my %parameter_type = ( 'randompick'     => 'int_pos',
 1294: 		       'hiddenresource' => 'string_yesno',
 1295: 		       'encrypturl'     => 'string_yesno',);
 1296: my $valid_parameters_re = join('|',keys(%parameter_type));
 1297: # set parameters
 1298: sub update_parameter {
 1299: 
 1300:     return 0 if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
 1301: 
 1302:     my $which = $env{'form.changeparms'};
 1303:     my $idx = $env{'form.setparms'};
 1304:     if ($env{'form.'.$which.'_'.$idx}) {
 1305: 	my $value = ($which eq 'randompick') ? $env{'form.'.$which.'_'.$idx}
 1306: 	                                     : 'yes';
 1307: 	&LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $value,
 1308: 				      $parameter_type{$which});
 1309: 	&remember_parms($idx,$which,'set',$value);
 1310:     } else {
 1311: 	&LONCAPA::map::delparameter($idx,'parameter_'.$which);
 1312: 	
 1313: 	&remember_parms($idx,$which,'del');
 1314:     }
 1315:     return 1;
 1316: }
 1317: 
 1318: 
 1319: sub handle_edit_cmd {
 1320:     my ($coursenum,$coursedom) =@_;
 1321: 
 1322:     my ($cmd,$idx)=split('_',$env{'form.cmd'});
 1323: 
 1324:     my $ratstr = $LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1325:     my ($title, $url, @rrest) = split(':', $ratstr);
 1326: 
 1327:     if ($cmd eq 'del') {
 1328: 	if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
 1329: 	    ($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
 1330: 	    &Apache::lonnet::removeuploadedurl($url);
 1331: 	} else {
 1332: 	    &LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1333: 	}
 1334: 	splice(@LONCAPA::map::order, $idx, 1);
 1335: 
 1336:     } elsif ($cmd eq 'cut') {
 1337: 	&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1338: 	splice(@LONCAPA::map::order, $idx, 1);
 1339: 
 1340:     } elsif ($cmd eq 'up' 
 1341: 	     && ($idx) && (defined($LONCAPA::map::order[$idx-1]))) {
 1342: 	@LONCAPA::map::order[$idx-1,$idx] = @LONCAPA::map::order[$idx,$idx-1];
 1343: 
 1344:     } elsif ($cmd eq 'down'
 1345: 	     && defined($LONCAPA::map::order[$idx+1])) {
 1346: 	@LONCAPA::map::order[$idx+1,$idx] = @LONCAPA::map::order[$idx,$idx+1];
 1347: 
 1348:     } elsif ($cmd eq 'rename') {
 1349: 
 1350: 	my $comment = &LONCAPA::map::qtunescape($env{'form.title'});
 1351: 	if ($comment=~/\S/) {
 1352: 	    $LONCAPA::map::resources[$LONCAPA::map::order[$idx]]=
 1353: 		$comment.':'.join(':', $url, @rrest);
 1354: 	}
 1355: # Devalidate title cache
 1356: 	my $renamed_url=&LONCAPA::map::qtescape($url);
 1357: 	&Apache::lonnet::devalidate_title_cache($renamed_url);
 1358:     } else {
 1359: 	return 0;
 1360:     }
 1361:     return 1;
 1362: }
 1363: 
 1364: sub editor {
 1365:     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$which)=@_;
 1366: 
 1367:     my $container= ($env{'form.pagepath'}) ? 'page'
 1368: 		                           : 'sequence';
 1369: 
 1370:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1371: 				    $folder.'.'.$container);
 1372:     return $errtext if ($fatal);
 1373: 
 1374:     if ($#LONCAPA::map::order<1) {
 1375: 	my $idx=&LONCAPA::map::getresidx();
 1376: 	if ($idx<=0) { $idx=1; }
 1377:        	$LONCAPA::map::order[0]=$idx;
 1378:         $LONCAPA::map::resources[$idx]='';
 1379:     }
 1380:     
 1381:     my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain)=
 1382: 	&breadcrumbs($folder);
 1383:     $r->print($breadcrumbtrail);
 1384:     
 1385: # ------------------------------------------------------------ Process commands
 1386: 
 1387: # ---------------- if they are for this folder and user allowed to make changes
 1388:     if (($allowed) && ($env{'form.folder'} eq $folder)) {
 1389: # set parameters and change order
 1390: 	&snapshotbefore();
 1391: 
 1392: 	if (&update_parameter()) {
 1393: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1394: 	    return $errtext if ($fatal);
 1395: 	}
 1396: 
 1397: 	if ($env{'form.newpos'} && $env{'form.currentpos'}) {
 1398: # change order
 1399: 	    my $res = splice(@LONCAPA::map::order,$env{'form.currentpos'}-1,1);
 1400: 	    splice(@LONCAPA::map::order,$env{'form.newpos'}-1,0,$res);
 1401: 
 1402: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1403: 	    return $errtext if ($fatal);
 1404: 	}
 1405: 	    
 1406: 	if ($env{'form.pastemarked'}) {
 1407: 	    &do_paste_from_buffer($coursenum,$coursedom);
 1408: 	    ($errtext,$fatal) = &storemap($coursenum,$coursedom,$folder.'.'.$container);
 1409: 	    return $errtext if ($fatal);
 1410: 	}
 1411: 
 1412: 	$r->print($upload_output);
 1413: 
 1414: 	if (&handle_edit_cmd()) {
 1415: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1416: 	    return $errtext if ($fatal);
 1417: 	}
 1418: # Group import/search
 1419: 	if ($env{'form.importdetail'}) {
 1420: 	    my @imports;
 1421: 	    foreach (split(/\&/,$env{'form.importdetail'})) {
 1422: 		if (defined($_)) {
 1423: 		    my ($name,$url,$residx)=
 1424: 			map {&unescape($_)} split(/\=/,$_);
 1425: 		    push(@imports, [$name, $url, $residx]);
 1426: 		}
 1427: 	    }
 1428: 	    ($errtext,$fatal)=&group_import($coursenum, $coursedom, $folder,
 1429: 					    $container,'londocs',@imports);
 1430: 	    return $errtext if ($fatal);
 1431: 	}
 1432: # Loading a complete map
 1433: 	if ($env{'form.loadmap'}) {
 1434: 	    if ($env{'form.importmap'}=~/\w/) {
 1435: 		foreach my $res (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
 1436: 		    my ($title,$url,$ext,$type)=split(/\:/,$res);
 1437: 		    my $idx=&LONCAPA::map::getresidx($url);
 1438: 		    $LONCAPA::map::resources[$idx]=$res;
 1439: 		    $LONCAPA::map::order[$#LONCAPA::map::order+1]=$idx;
 1440: 		}
 1441: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1442: 					    $folder.'.'.$container);
 1443: 		return $errtext if ($fatal);
 1444: 	    } else {
 1445: 		$r->print('<p><span class="LC_error">'.&mt('No map selected.').'</span></p>');
 1446: 		
 1447: 	    }
 1448: 	}
 1449: 	&log_differences($plain);
 1450:     }
 1451: # ---------------------------------------------------------------- End commands
 1452: # ---------------------------------------------------------------- Print screen
 1453:     my $idx=0;
 1454:     my $shown=0;
 1455:     if (($ishidden) || ($isencrypted) || ($randompick>=0)) {
 1456: 	$r->print('<p>'.&mt('Parameters').':<ul>'.
 1457: 		  ($randompick>=0?'<li>'.&mt('randomly pick [_1] resources',$randompick).'</li>':'').
 1458: 		  ($ishidden?'<li>'.&mt('contents hidden').'</li>':'').
 1459: 		  ($isencrypted?'<li>'.&mt('URLs hidden').'</li>':'').
 1460: 		  '</ul></p>');
 1461:     }                                                                                                     
 1462:     if ($randompick>=0) {
 1463: 	$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>');
 1464:     }
 1465:     $r->print('<table class="LC_docs_editor">');
 1466:     foreach my $res (@LONCAPA::map::order) {
 1467: 	my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
 1468: 	$name=&LONCAPA::map::qtescape($name);
 1469: 	$url=&LONCAPA::map::qtescape($url);
 1470: 	unless ($name) {  $name=(split(/\//,$url))[-1]; }
 1471: 	unless ($name) { $idx++; next; }
 1472: 	$r->print(&entryline($idx,$name,$url,$folder,$allowed,$res,
 1473: 			     $coursenum));
 1474: 	$idx++;
 1475: 	$shown++;
 1476:     }
 1477:     unless ($shown) {
 1478: 	$r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
 1479:     }
 1480:     $r->print("\n</table>\n");
 1481:     
 1482:     &print_paste_buffer($r,$container);
 1483:     return;
 1484: }
 1485: 
 1486: sub process_file_upload {
 1487:     my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
 1488: # upload a file, if present
 1489:     my $parseaction;
 1490:    if ($env{'form.parserflag'}) {
 1491:         $parseaction = 'parse';
 1492:     }
 1493:     my $phase_status;
 1494:     my $folder=$env{'form.folder'};
 1495:     if ($folder eq '') {
 1496:         $folder='default';
 1497:     }
 1498:     if ( ($folder=~/^$uploadcmd/) || ($uploadcmd eq 'default') ) {
 1499:         my $errtext='';
 1500:         my $fatal=0;
 1501:         my $container='sequence';
 1502:         if ($env{'form.pagepath'}) {
 1503:             $container='page';
 1504:         }
 1505:         ($errtext,$fatal)=
 1506:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
 1507:         if ($#LONCAPA::map::order<1) {
 1508:             $LONCAPA::map::order[0]=1;
 1509:             $LONCAPA::map::resources[1]='';
 1510:         }
 1511:         if ($fatal) {
 1512:             return 'failed';
 1513:         }
 1514:         my $destination = 'docs/';
 1515:         if ($folder =~ /^supplemental/) {
 1516:             $destination = 'supplemental/';
 1517:         }
 1518:         if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1519:             $destination .= 'default/';
 1520:         } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1521:             $destination .=  $2.'/';
 1522:         }
 1523: # this is for a course, not a user, so set coursedoc flag
 1524: # probably the only place in the system where this should be "1"
 1525:         my $newidx=&LONCAPA::map::getresidx();
 1526:         $destination .= $newidx;
 1527:         my $url=&Apache::lonnet::userfileupload('uploaddoc',1,$destination,
 1528: 						$parseaction,$allfiles,
 1529: 						$codebase);
 1530:         my $ext='false';
 1531:         if ($url=~m{^http://}) { $ext='true'; }
 1532: 	$url     = &LONCAPA::map::qtunescape($url);
 1533:         my $comment=$env{'form.comment'};
 1534: 	$comment = &LONCAPA::map::qtunescape($comment);
 1535:         if ($folder=~/^supplemental/) {
 1536:               $comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1537:                   $env{'user.domain'}.'___&&&___'.$comment;
 1538:         }
 1539: 
 1540:         $LONCAPA::map::resources[$newidx]=
 1541: 	    $comment.':'.$url.':'.$ext.':normal:res';
 1542:         $LONCAPA::map::order[$#LONCAPA::map::order+1]= $newidx;
 1543:         ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1544: 				    $folder.'.'.$container);
 1545:         if ($fatal) {
 1546:             $$upload_output .= '<p><span class="LC_error">'.$errtext.'</span></p>';
 1547:             return 'failed';
 1548:         } else {
 1549:             if ($parseaction eq 'parse') {
 1550:                 my $total_embedded = keys(%{$allfiles});
 1551:                 if ($total_embedded > 0) {
 1552:                     my $num = 0;
 1553: 		    my $state = '
 1554:    <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 1555:    <input type="hidden" name="cmd" value="upload_embedded" />
 1556:    <input type="hidden" name="newidx" value="'.$newidx.'" />
 1557:    <input type="hidden" name="primaryurl" value="'.&escape($url).'" />
 1558:    <input type="hidden" name="phasetwo" value="'.$total_embedded.'" />';
 1559: 		    $phase_status = 'phasetwo';
 1560: 
 1561:                     $$upload_output .= 
 1562: 			'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA.<br />'.
 1563: 			&ask_for_embedded_content('/adm/coursedocs',
 1564: 						  $state,$allfiles,$codebase);
 1565:                 } else {
 1566:                     $$upload_output .= 'No embedded items identified<br />';
 1567:                 }
 1568:             }
 1569:         }
 1570:     }
 1571:     return $phase_status;
 1572: }
 1573: 
 1574: sub ask_for_embedded_content {
 1575:     my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
 1576:     my $upload_output = '
 1577:    <form name="upload_embedded" action="'.$actionurl.'"
 1578:                   method="post" enctype="multipart/form-data">';
 1579:     $upload_output .= $state;
 1580:     $upload_output .= '<b>Upload embedded files</b>:<br />'.
 1581: 	&Apache::loncommon::start_data_table();
 1582: 
 1583:     my $num = 0;
 1584:     foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) {
 1585: 	$upload_output .= &Apache::loncommon::start_data_table_row().
 1586: 	    '<td>'.$embed_file.'</td><td>';
 1587: 	if ($args->{'ignore_remote_references'}
 1588: 	    && $embed_file =~ m{^\w+://}) {
 1589: 	    $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
 1590: 	} elsif ($args->{'error_on_invalid_names'}
 1591: 	    && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
 1592: 	    
 1593: 	    $upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>';
 1594: 	    
 1595: 	} else {
 1596: 
 1597: 	    $upload_output .='
 1598:            <input name="embedded_item_'.$num.'" type="file" value="bob" />
 1599:            <input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />';
 1600: 	    my $attrib = join(':',@{$$allfiles{$embed_file}});
 1601: 	    $upload_output .=
 1602: 		"\n\t\t".
 1603: 		'<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
 1604: 		$attrib.'" />';
 1605: 	    if (exists($$codebase{$embed_file})) {
 1606: 		$upload_output .= 
 1607: 		    "\n\t\t".
 1608: 		    '<input name="codebase_'.$num.'" type="hidden" value="'.
 1609: 		    &escape($$codebase{$embed_file}).'" />';
 1610: 	    }
 1611: 	}
 1612: 	$upload_output .= '</td>'.&Apache::loncommon::end_data_table_row();
 1613: 	$num++;
 1614:     }
 1615:     $upload_output .= &Apache::loncommon::end_data_table().'<br />
 1616:    <input type ="hidden" name="number_embedded_items" value="'.$num.'" />
 1617:    <input type ="submit" value="'.&mt('Upload Listed Files').'" />
 1618:    '.&mt('(only files for which a location has been provided will be uploaded)').'
 1619:    </form>';
 1620:     return $upload_output;
 1621: }
 1622: 
 1623: sub process_secondary_uploads {
 1624:     my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
 1625:     my $folder=$env{'form.folder'};
 1626:     my $destination = 'docs/';
 1627:     if ($folder =~ /^supplemental/) {
 1628:         $destination = 'supplemental/';
 1629:     }
 1630:     if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1631:         $destination .= 'default/';
 1632:     } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1633:         $destination .=  $2.'/';
 1634:     }
 1635:     $destination .= $newidx;
 1636:     my ($url,$filename);
 1637:     $url=&Apache::lonnet::userfileupload($formname.$num,1,$destination);
 1638:     ($filename) = ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/\Q$destination\E/(.+)$});
 1639:     return $filename;
 1640: }
 1641: 
 1642: sub is_supplemental_title {
 1643:     my ($title) = @_;
 1644:     return scalar($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/);
 1645: }
 1646: 
 1647: sub parse_supplemental_title {
 1648:     my ($title) = @_;
 1649: 
 1650:     my ($foldertitle,$renametitle);
 1651:     if ($title =~ /&amp;&amp;&amp;/) {
 1652: 	$title = &HTML::Entites::decode($title);
 1653:     }
 1654:  if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
 1655: 	$renametitle=$4;
 1656: 	my ($time,$uname,$udom) = ($1,$2,$3);
 1657: 	$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
 1658: 	my $name =  &Apache::loncommon::plainname($uname,$udom);
 1659: 	$name = &HTML::Entities::encode($name,'"<>&\'');
 1660: 	$title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
 1661: 	    $name.': <br />'.$foldertitle;
 1662:     }
 1663:     if (wantarray) {
 1664: 	return ($title,$foldertitle,$renametitle);
 1665:     } 
 1666:     return $title;
 1667: }
 1668: 
 1669: # --------------------------------------------------------------- An entry line
 1670: 
 1671: sub entryline {
 1672:     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
 1673: 
 1674:     my ($foldertitle,$pagetitle,$renametitle);
 1675:     if (&is_supplemental_title($title)) {
 1676: 	($title,$foldertitle,$renametitle) = &parse_supplemental_title($title);
 1677: 	$pagetitle = $foldertitle;
 1678:     } else {
 1679: 	$title=&HTML::Entities::encode($title,'"<>&\'');
 1680: 	$renametitle=$title;
 1681: 	$foldertitle=$title;
 1682: 	$pagetitle=$title;
 1683:     }
 1684: 
 1685:     my $orderidx=$LONCAPA::map::order[$index];
 1686:     
 1687: 
 1688:     $renametitle=~s/\\/\\\\/g;
 1689:     $renametitle=~s/\&quot\;/\\\"/g;
 1690:     $renametitle=~s/ /%20/g;
 1691:     my $line='<tr>';
 1692:     my ($form_start,$form_end);
 1693: # Edit commands
 1694:     my ($container, $type, $esc_path, $path, $symb);
 1695:     if ($env{'form.folderpath'}) {
 1696: 	$type = 'folder';
 1697:         $container = 'sequence';
 1698: 	$esc_path=&escape($env{'form.folderpath'});
 1699: 	$path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 1700: 	# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
 1701:     }
 1702:     if ($env{'form.pagepath'}) {
 1703:         $type = $container = 'page';
 1704:         $esc_path=&escape($path = $env{'form.pagepath'});
 1705: 	$path = &HTML::Entities::encode($env{'form.pagepath'},'<>&"');
 1706:         $symb=&escape($env{'form.pagesymb'});
 1707:     }
 1708:     my $cpinfo='';
 1709:     if ($allowed) {
 1710: 	my $incindex=$index+1;
 1711: 	my $selectbox='';
 1712: 	if (($folder!~/^supplemental/) &&
 1713: 	    ($#LONCAPA::map::order>0) && 
 1714: 	    ((split(/\:/,
 1715: 	     $LONCAPA::map::resources[$LONCAPA::map::order[0]]))[1] 
 1716: 	     ne '') && 
 1717: 	    ((split(/\:/,
 1718: 	     $LONCAPA::map::resources[$LONCAPA::map::order[1]]))[1] 
 1719: 	     ne '')) {
 1720: 	    $selectbox=
 1721: 		'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
 1722: 		'<select name="newpos" onChange="this.form.submit()">';
 1723: 	    for (my $i=1;$i<=$#LONCAPA::map::order+1;$i++) {
 1724: 		if ($i==$incindex) {
 1725: 		    $selectbox.='<option value="" selected="1">('.$i.')</option>';
 1726: 		} else {
 1727: 		    $selectbox.='<option value="'.$i.'">'.$i.'</option>';
 1728: 		}
 1729: 	    }
 1730: 	    $selectbox.='</select>';
 1731: 	}
 1732: 	my %lt=&Apache::lonlocal::texthash(
 1733:                 'up' => 'Move Up',
 1734: 		'dw' => 'Move Down',
 1735: 		'rm' => 'Remove',
 1736:                 'ct' => 'Cut',
 1737: 		'rn' => 'Rename',
 1738: 		'cp' => 'Copy');
 1739: 	my $nocopy=0;
 1740:         my $nocut=0;
 1741:         if ($url=~/\.(page|sequence)$/) {
 1742: 	    if ($url =~ m{/res/}) {
 1743: 		# no copy for published maps
 1744: 		$nocopy = 1;
 1745: 	    } else {
 1746: 		foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url))) {
 1747: 		    my ($title,$url,$ext,$type)=split(/\:/,$_);
 1748: 		    if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
 1749: 			$nocopy=1;
 1750: 			last;
 1751: 		    }
 1752: 		}
 1753: 	    }
 1754: 	}
 1755:         if ($url=~/^\/res\/lib\/templates\//) { 
 1756:            $nocopy=1; 
 1757:            $nocut=1;
 1758:         }
 1759:         my $copylink='&nbsp;';
 1760:         my $cutlink='&nbsp;';
 1761: 	
 1762: 	my $skip_confirm = 0;
 1763: 	if ( $folder =~ /^supplemental/
 1764: 	     || ($url =~ m{( /smppg$
 1765: 			    |/syllabus$
 1766: 			    |/aboutme$
 1767: 			    |/navmaps$
 1768: 			    |/bulletinboard$
 1769: 			    |\.html$
 1770: 			    |^/adm/wrapper/ext)}x)) {
 1771: 	    $skip_confirm = 1;
 1772: 	}
 1773: 
 1774: 	if (!$nocopy) {
 1775: 	    $copylink=(<<ENDCOPY);
 1776: <a href='javascript:markcopy("$esc_path","$index","$renametitle","$container","$symb","$folder");' class="LC_docs_copy">$lt{'cp'}</a>
 1777: ENDCOPY
 1778:         }
 1779: 	if (!$nocut) {
 1780: 	    $cutlink=(<<ENDCUT);
 1781: <a href='javascript:cutres("$esc_path","$index","$renametitle","$container","$symb","$folder",$skip_confirm);' class="LC_docs_cut">$lt{'ct'}</a>
 1782: ENDCUT
 1783:         }
 1784: 	$form_start = (<<END);
 1785:    <form  action="/adm/coursedocs" method="post">
 1786:    <input type="hidden" name="${type}path" value="$path" />
 1787:    <input type="hidden" name="${type}symb" value="$symb" />
 1788:    <input type="hidden" name="setparms" value="$orderidx" />
 1789:    <input type="hidden" name="changeparms" value="0" />
 1790: END
 1791:         $form_end = '</form>';
 1792: 	$line.=(<<END);
 1793: <td>
 1794:    <table class="LC_docs_entry_move">
 1795:       <tr>
 1796:          <td>
 1797:             <a href='/adm/coursedocs?cmd=up_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" /></a>
 1798:          </td>
 1799:       </tr>
 1800:       <tr>
 1801:         <td>
 1802:            <a href='/adm/coursedocs?cmd=down_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" /></a>
 1803:         </td>
 1804:       </tr>
 1805:     </table>
 1806: </td>
 1807: <td>
 1808:    $form_start
 1809:    $selectbox
 1810:    $form_end
 1811: </td>
 1812: <td class="LC_docs_entry_commands">
 1813:    <a href='javascript:removeres("$esc_path","$index","$renametitle","$container","$symb",$skip_confirm);' class="LC_docs_remove">$lt{'rm'}</a>
 1814: $cutlink
 1815:    <a href='javascript:changename("$esc_path","$index","$renametitle","$container","$symb");' class="LC_docs_rename">$lt{'rn'}</a>
 1816: $copylink
 1817: </td>
 1818: END
 1819: 
 1820:     }
 1821: # Figure out what kind of a resource this is
 1822:     my ($extension)=($url=~/\.(\w+)$/);
 1823:     my $uploaded=($url=~/^\/*uploaded\//);
 1824:     my $icon=&Apache::loncommon::icon($url);
 1825:     my $isfolder=0;
 1826:     my $ispage=0;
 1827:     my $folderarg;
 1828:     my $pagearg;
 1829:     my $pagefile;
 1830:     if ($uploaded) {
 1831: 	if ($extension eq 'sequence') {
 1832: 	    $icon=$iconpath.'/folder_closed.gif';
 1833: 	    $url=~/\Q$coursenum\E\/([\/\w]+)\.sequence$/;
 1834: 	    $url='/adm/coursedocs?';
 1835: 	    $folderarg=$1;
 1836: 	    $isfolder=1;
 1837:         } elsif ($extension eq 'page') {
 1838:             $icon=$iconpath.'/page.gif';
 1839:             $url=~/\Q$coursenum\E\/([\/\w]+)\.page$/;
 1840:             $pagearg=$1;
 1841:             $url='/adm/coursedocs?';
 1842:             $ispage=1;
 1843: 	} else {
 1844: 	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
 1845: 	}
 1846:     }
 1847:     
 1848:     my $orig_url = $url;
 1849:     my $external = ($url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/});
 1850:     if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
 1851: 	my $symb=&Apache::lonnet::symbclean(
 1852:           &Apache::lonnet::declutter('uploaded/'.
 1853:            $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1854:            $env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
 1855:            '.sequence').
 1856:            '___'.$residx.'___'.
 1857: 	   &Apache::lonnet::declutter($url));
 1858: 	(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
 1859: 	$url=&Apache::lonnet::clutter($url);
 1860: 	if ($url=~/^\/*uploaded\//) {
 1861: 	    $url=~/\.(\w+)$/;
 1862: 	    my $embstyle=&Apache::loncommon::fileembstyle($1);
 1863: 	    if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
 1864: 		$url='/adm/wrapper'.$url;
 1865: 	    } elsif ($embstyle eq 'ssi') {
 1866: 		#do nothing with these
 1867: 	    } elsif ($url!~/\.(sequence|page)$/) {
 1868: 		$url='/adm/coursedocs/showdoc'.$url;
 1869: 	    }
 1870: 	} elsif ($url=~m|^/ext/|) { 
 1871: 	    $url='/adm/wrapper'.$url;
 1872: 	    $external = 1;
 1873: 	}
 1874:         if (&Apache::lonnet::symbverify($symb,$url)) {
 1875: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1876:         } else {
 1877:             $url='';
 1878:         }
 1879: 	if ($container eq 'page') {
 1880: 	    my $symb=$env{'form.pagesymb'};
 1881: 	    	    
 1882: 	    $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
 1883: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1884: 	}
 1885:     }
 1886:     my $parameterset='&nbsp;';
 1887:     if ($isfolder || $extension eq 'sequence') {
 1888: 	my $foldername=&escape($foldertitle);
 1889: 	my $folderpath=$env{'form.folderpath'};
 1890: 	if ($folderpath) { $folderpath.='&' };
 1891: # Append randompick number, hidden, and encrypted with ":" to foldername, 
 1892: # so it gets transferred between levels
 1893: 	$folderpath.=$folderarg.'&'.$foldername.':'.(&LONCAPA::map::getparameter($orderidx,
 1894:                                               'parameter_randompick'))[0]
 1895:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1896:                                               'parameter_hiddenresource'))[0]=~/^yes$/i)
 1897:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1898:                                               'parameter_encrypturl'))[0]=~/^yes$/i);
 1899: 	$url.='folderpath='.&escape($folderpath).$cpinfo;
 1900: 	$parameterset='<label>'.&mt('Randomly Pick: ').
 1901: 	    '<input type="text" size="4" onChange="this.form.changeparms.value='."'randompick'".';this.form.submit()" name="randompick_'.$orderidx.'" value="'.
 1902: 	    (&LONCAPA::map::getparameter($orderidx,
 1903:                                               'parameter_randompick'))[0].
 1904:                                               '" />'.
 1905: '<a href="javascript:void(0)">'.&mt('Save').'</a></label>';
 1906:        
 1907:     }
 1908:     if ($ispage) {
 1909:         my $pagename=&escape($pagetitle);
 1910:         my $pagepath;
 1911:         my $folderpath=$env{'form.folderpath'};
 1912:         if ($folderpath) { $pagepath = $folderpath.'&' };
 1913:         $pagepath.=$pagearg.'&'.$pagename;
 1914: 	my $symb=$env{'form.pagesymb'};
 1915: 	if (!$symb) {
 1916: 	    my $path='uploaded/'.
 1917: 		$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1918: 		$env{'course.'.$env{'request.course.id'}.'.num'}.'/';
 1919: 	    $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
 1920: 					       $residx,
 1921: 					       $path.$pagearg.'.page');
 1922: 	}
 1923: 	$url.='pagepath='.&escape($pagepath).
 1924: 	    '&amp;pagesymb='.&escape($symb).$cpinfo;
 1925:     }
 1926:     if ($external) {
 1927: 	my $form = ($folder =~ /^default/)? 'newext' : 'supnewext';
 1928: 	$external = '&nbsp;<a class="LC_docs_ext_edit" href="javascript:edittext(\''.$form.'\',\''.$residx.'\',\''.&escape($title).'\',\''.&escape($orig_url).'\');" >'.&mt('Edit').'</a>';
 1929:     } else {
 1930: 	undef($external);
 1931:     }
 1932:     $line.='
 1933:   <td class="LC_docs_entry_icon">
 1934:     '.($url?'<a href="'.$url.'">':'').'<img src="'.$icon.'" alt="" class="LC_icon" />'.($url?'</a>':'').'
 1935:   </td>
 1936:   <td class="LC_docs_entry_title">
 1937:     '.($url?"<a href=\"$url\">":'').$title.($url?'</a>':' <span class="LC_docs_reinit_warn">'.&mt('(re-initialize course to access)').'</span>').$external."
 1938:   </td>";
 1939:     if (($allowed) && ($folder!~/^supplemental/)) {
 1940:  	my %lt=&Apache::lonlocal::texthash(
 1941:  			      'hd' => 'Hidden',
 1942:  			      'ec' => 'URL hidden');
 1943: 	my $enctext=
 1944: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
 1945: 	my $hidtext=
 1946: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
 1947: 	$line.=(<<ENDPARMS);
 1948:   <td class="LC_docs_entry_parameter">
 1949:     $form_start
 1950:     <label><input type="checkbox" name="hiddenresource_$orderidx" onClick="this.form.changeparms.value='hiddenresource';this.form.submit()" $hidtext /> $lt{'hd'}</label>
 1951:     $form_end
 1952:   </td>
 1953:   <td class="LC_docs_entry_parameter">
 1954:     $form_start
 1955:     <label><input type="checkbox" name="encrypturl_$orderidx" onClick="this.form.changeparms.value='encrypturl';this.form.submit()" $enctext /> $lt{'ec'}</label>
 1956:     $form_end
 1957:   </td>
 1958:   <td class="LC_docs_entry_parameter">$form_start $parameterset $form_end</td>
 1959: ENDPARMS
 1960:     }
 1961:     $line.="</tr>";
 1962:     return $line;
 1963: }
 1964: 
 1965: # ---------------------------------------------------------------- tie the hash
 1966: 
 1967: sub tiehash {
 1968:     my ($mode)=@_;
 1969:     $hashtied=0;
 1970:     if ($env{'request.course.fn'}) {
 1971: 	if ($mode eq 'write') {
 1972: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 1973: 		    &GDBM_WRCREAT(),0640)) {
 1974:                 $hashtied=2;
 1975: 	    }
 1976: 	} else {
 1977: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 1978: 		    &GDBM_READER(),0640)) {
 1979:                 $hashtied=1;
 1980: 	    }
 1981: 	}
 1982:     }    
 1983: }
 1984: 
 1985: sub untiehash {
 1986:     if ($hashtied) { untie %hash; }
 1987:     $hashtied=0;
 1988:     return OK;
 1989: }
 1990: 
 1991: # --------------------------------------------------------------- check on this
 1992: 
 1993: sub checkonthis {
 1994:     my ($r,$url,$level,$title)=@_;
 1995:     $url=&unescape($url);
 1996:     $alreadyseen{$url}=1;
 1997:     $r->rflush();
 1998:     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
 1999:        $r->print("\n<br />");
 2000:        for (my $i=0;$i<=$level*5;$i++) {
 2001:            $r->print('&nbsp;');
 2002:        }
 2003:        $r->print('<a href="'.$url.'" target="cat">'.
 2004: 		 ($title?$title:$url).'</a> ');
 2005:        if ($url=~/^\/res\//) {
 2006: 	  my $result=&Apache::lonnet::repcopy(
 2007:                               &Apache::lonnet::filelocation('',$url));
 2008:           if ($result eq 'ok') {
 2009:              $r->print('<font color="green">'.&mt('ok').'</font>');
 2010:              $r->rflush();
 2011:              &Apache::lonnet::countacc($url);
 2012:              $url=~/\.(\w+)$/;
 2013:              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
 2014: 		 $r->print('<br />');
 2015:                  $r->rflush();
 2016:                  for (my $i=0;$i<=$level*5;$i++) {
 2017:                      $r->print('&nbsp;');
 2018:                  }
 2019:                  $r->print('- '.&mt('Rendering').': ');
 2020: 		 my ($errorcount,$warningcount)=split(/:/,
 2021: 	       &Apache::lonnet::ssi_body($url,
 2022: 			       ('grade_target'=>'web',
 2023: 				'return_only_error_and_warning_counts' => 1)));
 2024:                  if (($errorcount) ||
 2025:                      ($warningcount)) {
 2026: 		     if ($errorcount) {
 2027:                         $r->print('<img src="/adm/lonMisc/bomb.gif" /><span class="LC_error">'.
 2028: 			  $errorcount.' '.
 2029: 				  &mt('error(s)').'</span> ');
 2030:                      }
 2031: 		     if ($warningcount) {
 2032:                         $r->print('<span class="LC_warning">'.
 2033: 			  $warningcount.' '.
 2034: 				  &mt('warning(s)').'</span>');
 2035:                      }
 2036:                  } else {
 2037:                      $r->print('<span class="LC_success">'.&mt('ok').'</span>');
 2038:                  }
 2039:                  $r->rflush();
 2040:              }
 2041: 	     my $dependencies=
 2042:                 &Apache::lonnet::metadata($url,'dependencies');
 2043:              foreach (split(/\,/,$dependencies)) {
 2044: 		 if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {
 2045:                     &checkonthis($r,$_,$level+1);
 2046:                  }
 2047:              }
 2048:           } elsif ($result eq 'unavailable') {
 2049:              $r->print('<span class="LC_error">'.&mt('connection down').'</span>');
 2050:           } elsif ($result eq 'not_found') {
 2051: 	      unless ($url=~/\$/) {
 2052: 		  $r->print('<span class="LC_error">'.&mt('not found').'</b></font>');
 2053: 	      } else {
 2054: 		  $r->print('<span class="LC_unknown">'.&mt('unable to verify variable URL').'</span>');
 2055: 	      }
 2056:           } else {
 2057:              $r->print('<span class="LC_error">'.&mt('access denied').'</span>');
 2058:           }
 2059:       }
 2060:    }
 2061: }
 2062: 
 2063: 
 2064: #
 2065: # ----------------------------------------------------------------- List Symbs
 2066: # 
 2067: sub list_symbs {
 2068:     my ($r) = @_;
 2069: 
 2070:     $r->print(&Apache::loncommon::start_page('Symb List'));
 2071:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Symb List'));
 2072:     my $navmap = Apache::lonnavmaps::navmap->new();
 2073:     $r->print("<pre>\n");
 2074:     foreach my $res ($navmap->retrieveResources()) {
 2075: 	$r->print($res->compTitle()."\t".$res->symb()."\n");
 2076:     }
 2077:     $r->print("\n</pre>\n");
 2078:     $r->print('<a href="/adm/coursedocs">'.&mt('Return to DOCS').'</a>');
 2079: }
 2080: 
 2081: 
 2082: #
 2083: # -------------------------------------------------------------- Verify Content
 2084: # 
 2085: sub verifycontent {
 2086:     my ($r) = @_;
 2087:     my $type = &Apache::loncommon::course_type();
 2088:    my $loaderror=&Apache::lonnet::overloaderror($r);
 2089:    if ($loaderror) { return $loaderror; }
 2090:    $r->print(&Apache::loncommon::start_page('Verify '.$type.' Documents'));
 2091:    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$type.' Documents'));
 2092:    $hashtied=0;
 2093:    undef %alreadyseen;
 2094:    %alreadyseen=();
 2095:    &tiehash();
 2096:    foreach (keys %hash) {
 2097:        if ($hash{$_}=~/\.(page|sequence)$/) {
 2098: 	   if (($_=~/^src_/) && ($alreadyseen{&unescape($hash{$_})})) {
 2099: 	       $r->print('<hr /><span class="LC_error">'.
 2100: 			 &mt('The following sequence or page is included more than once in your '.$type.': ').
 2101: 			 &unescape($hash{$_}).'</span><br />'.
 2102: 			 &mt('Note that grading records for problems included in this sequence or folder will overlap.<hr />'));
 2103: 	   }
 2104:        }
 2105:        if (($_=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$_})})) {
 2106:            &checkonthis($r,$hash{$_},0,$hash{'title_'.$1});
 2107:        }
 2108:    }
 2109:    &untiehash();
 2110:    $r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.
 2111: 	     &mt('Return to DOCS').'</a>');
 2112: }
 2113: 
 2114: 
 2115: # -------------------------------------------------------------- Check Versions
 2116: 
 2117: sub devalidateversioncache {
 2118:     my $src=shift;
 2119:     &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
 2120: 					  &Apache::lonnet::clutter($src));
 2121: }
 2122: 
 2123: sub checkversions {
 2124:     my ($r) = @_;
 2125:     my $type = &Apache::loncommon::course_type();
 2126:     $r->print(&Apache::loncommon::start_page("Check $type Document Versions"));
 2127:     $r->print(&Apache::lonhtmlcommon::breadcrumbs("Check $type Document Versions"));
 2128:     my $header='';
 2129:     my $startsel='';
 2130:     my $monthsel='';
 2131:     my $weeksel='';
 2132:     my $daysel='';
 2133:     my $allsel='';
 2134:     my %changes=();
 2135:     my $starttime=0;
 2136:     my $haschanged=0;
 2137:     my %setversions=&Apache::lonnet::dump('resourceversions',
 2138: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2139: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2140: 
 2141:     $hashtied=0;
 2142:     &tiehash();
 2143:     my %newsetversions=();
 2144:     if ($env{'form.setmostrecent'}) {
 2145: 	$haschanged=1;
 2146: 	foreach (keys %hash) {
 2147: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2148: 		$newsetversions{$1}='mostrecent';
 2149:                 &devalidateversioncache($1);
 2150: 	    }
 2151: 	}
 2152:     } elsif ($env{'form.setcurrent'}) {
 2153: 	$haschanged=1;
 2154: 	foreach (keys %hash) {
 2155: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2156: 		my $getvers=&Apache::lonnet::getversion($1);
 2157: 		if ($getvers>0) {
 2158: 		    $newsetversions{$1}=$getvers;
 2159: 		    &devalidateversioncache($1);
 2160: 		}
 2161: 	    }
 2162: 	}
 2163:     } elsif ($env{'form.setversions'}) {
 2164: 	$haschanged=1;
 2165: 	foreach (keys %env) {
 2166: 	    if ($_=~/^form\.set_version_(.+)$/) {
 2167: 		my $src=$1;
 2168: 		if (($env{$_}) && ($env{$_} ne $setversions{$src})) {
 2169: 		    $newsetversions{$src}=$env{$_};
 2170: 		    &devalidateversioncache($src);
 2171: 		}
 2172: 	    }
 2173: 	}
 2174:     }
 2175:     if ($haschanged) {
 2176:         if (&Apache::lonnet::put('resourceversions',\%newsetversions,
 2177: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2178: 			  $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {		
 2179: 	    $r->print('<h1>'.&mt('Your Version Settings have been Saved').'</h1>');
 2180: 	} else {
 2181: 	    $r->print('<h1><span class="LC_error">'.&mt('An Error Occured while Attempting to Save your Version Settings').'</span></h1>');
 2182: 	}
 2183: 	&mark_hash_old();
 2184:     }
 2185:     &changewarning($r,'');
 2186:     if ($env{'form.timerange'} eq 'all') {
 2187: # show all documents
 2188: 	$header=&mt('All Documents in '.$type);
 2189: 	$allsel=1;
 2190: 	foreach (keys %hash) {
 2191: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2192: 		my $src=$1;
 2193: 		$changes{$src}=1;
 2194: 	    }
 2195: 	}
 2196:     } else {
 2197: # show documents which changed
 2198: 	%changes=&Apache::lonnet::dump
 2199: 	 ('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
 2200:                      $env{'course.'.$env{'request.course.id'}.'.num'});
 2201: 	my $firstkey=(keys %changes)[0];
 2202: 	unless ($firstkey=~/^error\:/) {
 2203: 	    unless ($env{'form.timerange'}) {
 2204: 		$env{'form.timerange'}=604800;
 2205: 	    }
 2206: 	    my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
 2207: 		.&mt('seconds');
 2208: 	    if ($env{'form.timerange'}==-1) {
 2209: 		$seltext='since start of course';
 2210: 		$startsel='selected';
 2211: 		$env{'form.timerange'}=time;
 2212: 	    }
 2213: 	    $starttime=time-$env{'form.timerange'};
 2214: 	    if ($env{'form.timerange'}==2592000) {
 2215: 		$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2216: 		$monthsel='selected';
 2217: 	    } elsif ($env{'form.timerange'}==604800) {
 2218: 		$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2219: 		$weeksel='selected';
 2220: 	    } elsif ($env{'form.timerange'}==86400) {
 2221: 		$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2222: 		$daysel='selected';
 2223: 	    }
 2224: 	    $header=&mt('Content changed').' '.$seltext;
 2225: 	} else {
 2226: 	    $header=&mt('No content modifications yet.');
 2227: 	}
 2228:     }
 2229:     %setversions=&Apache::lonnet::dump('resourceversions',
 2230: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2231: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2232:     my %lt=&Apache::lonlocal::texthash
 2233: 	      ('st' => 'Version changes since start of '.$type,
 2234: 	       'lm' => 'Version changes since last Month',
 2235: 	       'lw' => 'Version changes since last Week',
 2236: 	       'sy' => 'Version changes since Yesterday',
 2237:                'al' => 'All Resources (possibly large output)',
 2238: 	       'sd' => 'Display',
 2239: 	       'fi' => 'File',
 2240: 	       'md' => 'Modification Date',
 2241:                'mr' => 'Most recently published Version',
 2242: 	       've' => 'Version used in '.$type,
 2243:                'vu' => 'Set Version to be used in '.$type,
 2244: 'sv' => 'Set Versions to be used in '.$type.' according to Selections below',
 2245: 'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
 2246: 'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
 2247: 	       'di' => 'Differences');
 2248:     $r->print(<<ENDHEADERS);
 2249: <form action="/adm/coursedocs" method="post">
 2250: <input type="hidden" name="versions" value="1" />
 2251: <input type="submit" name="setmostrecent" value="$lt{'sm'}" />
 2252: <input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
 2253: <select name="timerange">
 2254: <option value='all' $allsel>$lt{'al'}</option>
 2255: <option value="-1" $startsel>$lt{'st'}</option>
 2256: <option value="2592000" $monthsel>$lt{'lm'}</option>
 2257: <option value="604800" $weeksel>$lt{'lw'}</option>
 2258: <option value="86400" $daysel>$lt{'sy'}</option>
 2259: </select>
 2260: <input type="submit" name="display" value="$lt{'sd'}" />
 2261: <h3>$header</h3>
 2262: <input type="submit" name="setversions" value="$lt{'sv'}" />
 2263: <table border="0">
 2264: ENDHEADERS
 2265:     foreach (sort keys %changes) {
 2266: 	if ($changes{$_}>$starttime) {
 2267: 	    my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);
 2268: 	    my $currentversion=&Apache::lonnet::getversion($_);
 2269: 	    if ($currentversion<0) {
 2270: 		$currentversion=&mt('Could not be determined.');
 2271: 	    }
 2272: 	    my $linkurl=&Apache::lonnet::clutter($_);
 2273: 	    $r->print(
 2274: 		      '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
 2275: 		      &Apache::lonnet::gettitle($linkurl).
 2276:                       '</b></font></td></tr>'.
 2277:                       '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
 2278:                       '<td colspan="4">'.
 2279:                       '<a href="'.$linkurl.'" target="cat">'.$linkurl.
 2280: 		      '</a></td></tr>'.
 2281:                       '<tr><td></td>'.
 2282:                       '<td title="'.$lt{'md'}.'">'.
 2283: 		      &Apache::lonlocal::locallocaltime(
 2284:                            &Apache::lonnet::metadata($root.'.'.$extension,
 2285:                                                      'lastrevisiondate')
 2286:                                                         ).
 2287:                       '</td>'.
 2288:                       '<td title="'.$lt{'mr'}.'"><span class="LC_nobreak">Most Recent: '.
 2289:                       '<font size="+1">'.$currentversion.'</font>'.
 2290:                       '</span></td>'.
 2291:                       '<td title="'.$lt{'ve'}.'"><span class="LC_nobreak">In '.$type.': '.
 2292:                       '<font size="+1">');
 2293: # Used in course
 2294: 	    my $usedversion=$hash{'version_'.$linkurl};
 2295: 	    if (($usedversion) && ($usedversion ne 'mostrecent')) {
 2296: 		$r->print($usedversion);
 2297: 	    } else {
 2298: 		$r->print($currentversion);
 2299: 	    }
 2300: 	    $r->print('</font></span></td><td title="'.$lt{'vu'}.'">'.
 2301:                       '<span class="LC_nobreak">Use: ');
 2302: # Set version
 2303: 	    $r->print(&Apache::loncommon::select_form($setversions{$linkurl},
 2304: 						      'set_version_'.$linkurl,
 2305: 						      ('select_form_order' =>
 2306: 						       ['',1..$currentversion,'mostrecent'],
 2307: 						       '' => '',
 2308: 						       'mostrecent' => 'most recent',
 2309: 						       map {$_,$_} (1..$currentversion))));
 2310: 	    $r->print('</span></td></tr><tr><td></td>');
 2311: 	    my $lastold=1;
 2312: 	    for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
 2313: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2314: 		if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
 2315: 		    $starttime) {
 2316: 		    $lastold=$prevvers;
 2317: 		}
 2318: 	    }
 2319:             # 
 2320:             # Code to figure out how many version entries should go in
 2321:             # each of the four columns
 2322:             my $entries_per_col = 0;
 2323:             my $num_entries = ($currentversion-$lastold);
 2324:             if ($num_entries % 4 == 0) {
 2325:                 $entries_per_col = $num_entries/4;
 2326:             } else {
 2327:                 $entries_per_col = $num_entries/4 + 1;
 2328:             }
 2329:             my $entries_count = 0;
 2330:             $r->print('<td valign="top"><font size="-2">'); 
 2331:             my $cols_output = 1;
 2332:             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
 2333: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2334: 		$r->print('<span class="LC_nobreak"><a href="'.&Apache::lonnet::clutter($url).
 2335: 			  '">'.&mt('Version').' '.$prevvers.'</a> ('.
 2336: 			  &Apache::lonlocal::locallocaltime(
 2337:                                 &Apache::lonnet::metadata($url,
 2338:                                                           'lastrevisiondate')
 2339:                                                             ).
 2340: 			  ')');
 2341: 		if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
 2342:                     $r->print(' <a href="/adm/diff?filename='.
 2343: 			      &Apache::lonnet::clutter($root.'.'.$extension).
 2344: 			      '&versionone='.$prevvers.
 2345: 			      '">'.&mt('Diffs').'</a>');
 2346: 		}
 2347: 		$r->print('</span><br />');
 2348:                 if (++$entries_count % $entries_per_col == 0) {
 2349:                     $r->print('</font></td>');
 2350:                     if ($cols_output != 4) {
 2351:                         $r->print('<td valign="top"><font size="-2">');
 2352:                         $cols_output++;
 2353:                     }
 2354:                 }
 2355: 	    }
 2356:             while($cols_output++ < 4) {
 2357:                 $r->print('</font></td><td><font>')
 2358:             }
 2359: 	    $r->print('</font></td></tr>'."\n");
 2360: 	}
 2361:     }
 2362:     $r->print('</table></form>');
 2363:     $r->print('<h1>'.&mt('Done').'.</h1>');
 2364: 
 2365:     &untiehash();
 2366: }
 2367: 
 2368: sub mark_hash_old {
 2369:     my $retie_hash=0;
 2370:     if ($hashtied) {
 2371: 	$retie_hash=1;
 2372: 	&untiehash();
 2373:     }
 2374:     &tiehash('write');
 2375:     $hash{'old'}=1;
 2376:     &untiehash();
 2377:     if ($retie_hash) { &tiehash(); }
 2378: }
 2379: 
 2380: sub is_hash_old {
 2381:     my $untie_hash=0;
 2382:     if (!$hashtied) {
 2383: 	$untie_hash=1;
 2384: 	&tiehash();
 2385:     }
 2386:     my $return=$hash{'old'};
 2387:     if ($untie_hash) { &untiehash(); }
 2388:     return $return;
 2389: }
 2390: 
 2391: sub changewarning {
 2392:     my ($r,$postexec,$message,$url)=@_;
 2393:     if (!&is_hash_old()) { return; }
 2394:     my $pathvar='folderpath';
 2395:     my $path=&escape($env{'form.folderpath'});
 2396:     if (!defined($url)) {
 2397: 	if (defined($env{'form.pagepath'})) {
 2398: 	    $pathvar='pagepath';
 2399: 	    $path=&escape($env{'form.pagepath'});
 2400: 	    $path.='&amp;pagesymb='.&escape($env{'form.pagesymb'});
 2401: 	}
 2402: 	$url='/adm/coursedocs?'.$pathvar.'='.$path;
 2403:     }
 2404:     my $course_type = &Apache::loncommon::course_type();
 2405:     if (!defined($message)) {
 2406: 	$message='Changes will become active for your current session after [_1], or the next time you log in.';
 2407:     }
 2408:     $r->print("\n\n".
 2409: '<script type="text/javascript">function reinit(tf) { tf.submit();'.$postexec.' }</script>'."\n". 
 2410: '<form name="reinitform" method="post" action="/adm/roles" target="loncapaclient">'.
 2411: '<input type="hidden" name="orgurl" value="'.$url.
 2412: '" /><input type="hidden" name="selectrole" value="1" /><h3><span class="LC_warning">'.
 2413: &mt($message,' <input type="hidden" name="'.
 2414:     $env{'request.role'}.'" value="1" /><input type="button" value="'.
 2415:     &mt('re-initializing '.$course_type).'" onClick="reinit(this.form)" />').
 2416: $help{'Caching'}.'</span></h3></form>'."\n\n");
 2417: }
 2418: 
 2419: # =========================================== Breadcrumbs for special functions
 2420: 
 2421: sub init_breadcrumbs {
 2422:     my ($form,$text)=@_;
 2423:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 2424:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs",
 2425: 					    text=>&Apache::loncommon::course_type()." Documents",
 2426: 					    faq=>273,
 2427: 					    bug=>'Instructor Interface',
 2428:                                             help => 'Docs_Adding_Course_Doc'});
 2429:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?".$form.'=1',
 2430: 					    text=>$text,
 2431: 					    faq=>273,
 2432: 					    bug=>'Instructor Interface'});
 2433: }
 2434: 
 2435: # ================================================================ Main Handler
 2436: sub handler {
 2437:     my $r = shift;
 2438:     &Apache::loncommon::content_type($r,'text/html');
 2439:     $r->send_http_header;
 2440:     return OK if $r->header_only;
 2441:     my $type = &Apache::loncommon::course_type();
 2442: 
 2443: # --------------------------------------------- Initialize help topics for this
 2444:     foreach ('Adding_Course_Doc','Main_Course_Documents',
 2445: 	     'Adding_External_Resource','Navigate_Content',
 2446: 	     'Adding_Folders','Docs_Overview', 'Load_Map',
 2447: 	     'Supplemental','Score_Upload_Form','Adding_Pages',
 2448: 	     'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
 2449: 	     'Check_Resource_Versions','Verify_Content') {
 2450: 	$help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);
 2451:     }
 2452:     # Composite help files
 2453:     $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
 2454: 		    'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
 2455:     $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
 2456: 		    'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
 2457:     $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
 2458: 		    'Option_Response_Simple');
 2459:     $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
 2460: 		    'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
 2461:     $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(
 2462: 		  'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
 2463:     $help{'Group Files'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
 2464:     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
 2465: 
 2466: # does this user have privileges to modify docs
 2467:     my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
 2468:   if ($allowed && $env{'form.verify'}) {
 2469:       &init_breadcrumbs('verify','Verify Content');
 2470:       &verifycontent($r);
 2471:   } elsif ($allowed && $env{'form.listsymbs'}) {
 2472:       &init_breadcrumbs('listsymbs','List Symbs');
 2473:       &list_symbs($r);
 2474:   } elsif ($allowed && $env{'form.docslog'}) {
 2475:       &init_breadcrumbs('docslog','Show Log');
 2476:       &docs_change_log($r);
 2477:   } elsif ($allowed && $env{'form.versions'}) {
 2478:       &init_breadcrumbs('versions','Check/Set Resource Versions');
 2479:       &checkversions($r);
 2480:   } elsif ($allowed && $env{'form.dumpcourse'}) {
 2481:       &init_breadcrumbs('dumpcourse','Dump '.&Apache::loncommon::course_type().' DOCS to Construction Space');
 2482:       &dumpcourse($r);
 2483:   } elsif ($allowed && $env{'form.exportcourse'}) {
 2484:       &init_breadcrumbs('exportcourse','Export '.&Apache::loncommon::course_type().' to IMS');
 2485:       &exportcourse($r);
 2486:   } else {
 2487: # is this a standard course?
 2488: 
 2489:     my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
 2490:     my $forcestandard = 0;
 2491:     my $forcesupplement;
 2492:     my $script='';
 2493:     my $showdoc=0;
 2494:     my $containertag;
 2495:     my $uploadtag;
 2496:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2497: 					    ['folderpath','pagepath',
 2498: 					     'pagesymb']);
 2499:     if ($env{'form.folderpath'}) {
 2500: 	my (@folderpath)=split('&',$env{'form.folderpath'});
 2501: 	$env{'form.foldername'}=&unescape(pop(@folderpath));
 2502: 	$env{'form.folder'}=pop(@folderpath);
 2503:     }
 2504:     if ($env{'form.pagepath'}) {
 2505:         my (@pagepath)=split('&',$env{'form.pagepath'});
 2506:         $env{'form.pagename'}=&unescape(pop(@pagepath));
 2507:         $env{'form.folder'}=pop(@pagepath);
 2508:         $containertag = '<input type="hidden" name="pagepath" value="" />'.
 2509: 	    '<input type="hidden" name="pagesymb" value="" />';
 2510:         $uploadtag = '<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />'.
 2511: 	    '<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />';
 2512:     }
 2513:     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
 2514:        $showdoc='/'.$1;
 2515:     }
 2516:     unless ($showdoc) { # got called from remote
 2517:        if (($env{'form.folder'}=~/^(?:group|default)_/) || 
 2518:           ($env{'form.folder'} =~ m:^\d+/(pages|sequences)/:)) {
 2519:            $forcestandard = 1;
 2520:        } 
 2521:        $forcesupplement=($env{'form.folder'}=~/^supplemental_/);
 2522: 
 2523:        if ($allowed) { 
 2524:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
 2525:          $script=&Apache::lonratedt::editscript('simple'); 
 2526:        }
 2527:     } else { # got called in sequence from course
 2528:        $allowed=0;
 2529:     }
 2530: 
 2531: # get course data
 2532:     my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
 2533:     my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2534: 
 2535: # get personal data 
 2536:     my $uname=$env{'user.name'};
 2537:     my $udom=$env{'user.domain'};
 2538:     my $plainname=&escape(&Apache::loncommon::plainname($uname,$udom));
 2539: 
 2540: # graphics settings
 2541: 
 2542:     $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
 2543: 
 2544:     if ($allowed) {
 2545: 	$script .= &editing_js($udom,$uname);
 2546:     }
 2547: # -------------------------------------------------------------------- Body tag
 2548:     $script = '<script type="text/javascript">'."\n".$script."\n".'</script>';
 2549:     $r->print(&Apache::loncommon::start_page("$type Documents", $script,
 2550: 					     {'force_register' => $showdoc,}).
 2551: 	      &Apache::loncommon::help_open_menu('','',273,'RAT'));
 2552:   
 2553:   my %allfiles = ();
 2554:   my %codebase = ();
 2555:   my ($upload_result,$upload_output);
 2556:   if ($allowed) {
 2557:       if (($env{'form.uploaddoc.filename'}) &&
 2558: 	  ($env{'form.cmd'}=~/^upload_(\w+)/)) {
 2559: # Process file upload - phase one - upload and parse primary file.  
 2560:           $upload_result = &process_file_upload(\$upload_output,$coursenum,
 2561: 						$coursedom,\%allfiles,
 2562: 						\%codebase,$1);
 2563:           if ($upload_result eq 'phasetwo') {
 2564:               $r->print($upload_output);
 2565:           }
 2566:       } elsif ($env{'form.phasetwo'}) {
 2567:           my %newname = ();
 2568:           my %origname = ();
 2569:           my %attribs = ();
 2570:           my $updateflag = 0;
 2571:           my $residx = $env{'form.newidx'};
 2572:           my $primary_url = &unescape($env{'form.primaryurl'});
 2573: # Process file upload - phase two - gather secondary files.
 2574:           for (my $i=0; $i<$env{'form.phasetwo'}; $i++) {
 2575:               if ($env{'form.embedded_item_'.$i.'.filename'}) {
 2576:                   my $javacodebase;
 2577:                   $newname{$i} = &process_secondary_uploads(\$upload_output,$coursedom,$coursenum,'embedded_item_',$i,$residx);
 2578:                   $origname{$i} = &unescape($env{'form.embedded_orig_'.$i});
 2579:                   if (exists($env{'form.embedded_codebase_'.$i})) {
 2580:                       $javacodebase =  &unescape($env{'form.embedded_codebase_'.$i});  
 2581:                       $origname{$i} =~ s#^\Q$javacodebase\E/##; 
 2582:                   }
 2583:                   my @attributes = ();
 2584:                   if ($env{'form.embedded_attrib_'.$i} =~ /:/) {
 2585:                       @attributes = split/:/,$env{'form.embedded_attrib_'.$i};
 2586:                   } else {
 2587:                       @attributes = ($env{'form.embedded_attrib_'.$i});
 2588:                   }
 2589:                   foreach (@attributes) {
 2590:                       push(@{$attribs{$i}},&unescape($_));
 2591:                   }
 2592:                   if ($javacodebase) {
 2593:                       $codebase{$i} = $javacodebase;
 2594:                       $codebase{$i} =~ s#/$##;
 2595:                       $updateflag = 1;
 2596:                   }
 2597:               }
 2598:               unless ($newname{$i} eq $origname{$i}) {
 2599:                   $updateflag = 1;
 2600:               }
 2601:           }
 2602: # Process file upload - phase three - modify primary file
 2603:           if ($updateflag) {
 2604:               my ($content,$rtncode);
 2605:               my $updateflag = 0;
 2606:               my $getstatus = &Apache::lonnet::getuploaded('GET',$primary_url,$coursedom,$coursenum,\$content,\$rtncode);
 2607:               if ($getstatus eq 'ok') {
 2608:                   foreach my $item (keys %newname) {
 2609:                       if ($newname{$item} ne $origname{$item}) {
 2610:                           my $attrib_regexp = '';
 2611:                           if (@{$attribs{$item}} > 1) {
 2612:                               $attrib_regexp = join('|',@{$attribs{$item}});
 2613:                           } else {
 2614:                               $attrib_regexp = $attribs{$item}[0];
 2615:                           }
 2616:                           if ($content =~ m#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#) {
 2617:                           } 
 2618:                           $content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#$1$newname{$item}$2#gi; 
 2619:                       }
 2620:                       if (exists($codebase{$item})) {
 2621:                           $content =~ s/(codebase\s*=\s*["']?)\Q$codebase{$item}\E(["']?)/$1.$2/i; #' stupid emacs
 2622:                       }
 2623:                   }
 2624: # Save edited file.
 2625:                   my $saveresult;
 2626:                   my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
 2627:                   my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2628:                   my $url = &Apache::lonnet::store_edited_file($primary_url,$content,$docudom,$docuname,\$saveresult);
 2629:               } else {
 2630:                   &Apache::lonnet::logthis('retrieval of uploaded file - '.$primary_url.' - for editing, failed: '.$getstatus); 
 2631:               }
 2632:           }
 2633:       }
 2634:   }
 2635: 
 2636:   unless ($showdoc ||  $upload_result eq 'phasetwo') {
 2637: # -----------------------------------------------------------------------------
 2638:        my %lt=&Apache::lonlocal::texthash(
 2639:                 'uplm' => 'Upload a new main '.lc($type).' document',
 2640:                 'upls' => 'Upload a new supplemental '.lc($type).' document',
 2641:                 'impp' => 'Import a document',
 2642:                 'pubd' => 'Published documents',
 2643: 		'copm' => 'All documents out of a published map into this folder',
 2644:                 'spec' => 'Special documents',
 2645:                 'upld' => 'Upload Document',
 2646:                 'srch' => 'Search',
 2647:                 'impo' => 'Import',
 2648: 		'book' => 'Import Bookmarks',
 2649:                 'selm' => 'Select Map',
 2650:                 'load' => 'Load Map',
 2651:                 'reco' => 'Recover Deleted Resources',
 2652:                 'newf' => 'New Folder',
 2653:                 'newp' => 'New Composite Page',
 2654:                 'extr' => 'External Resource',
 2655:                 'syll' => 'Syllabus',
 2656:                 'navc' => 'Navigate Contents',
 2657:                 'sipa' => 'Simple Page',
 2658:                 'sipr' => 'Simple Problem',
 2659:                 'drbx' => 'Drop Box',
 2660:                 'scuf' => 'Score Upload Form',
 2661:                 'bull' => 'Bulletin Board',
 2662:                 'mypi' => 'My Personal Info',
 2663:                 'grpo' => 'Group Files',
 2664:                 'rost' => 'Course Roster',
 2665: 		'abou' => 'About User',
 2666:                 'imsf' => 'Import IMS package',
 2667:                 'file' =>  'File',
 2668:                 'title' => 'Title',
 2669:                 'comment' => 'Comment',
 2670:                 'parse' => 'If HTML file, upload embedded images/multimedia files'
 2671: 					  );
 2672: # -----------------------------------------------------------------------------
 2673:     if ($allowed) {
 2674: 	&update_paste_buffer($coursenum,$coursedom);
 2675:        my $dumpbut=&dumpbutton();
 2676:        my $exportbut=&exportbutton();
 2677:        my %lt=&Apache::lonlocal::texthash(
 2678: 					 'vc' => 'Verify Content',
 2679: 					 'cv' => 'Check/Set Resource Versions',
 2680: 					 'ls' => 'List Symbs',
 2681:                                          'sl' => 'Show Log'
 2682: 					  );
 2683: 
 2684:        my $folderpath=$env{'form.folderpath'};
 2685:        if (!$folderpath) {
 2686: 	   if ($env{'form.folder'} eq '' ||
 2687: 	       $env{'form.folder'} eq 'supplemental') {
 2688: 	       $folderpath='default&'.
 2689: 		   &escape(&mt('Main '.$type.' Documents'));
 2690: 	   }
 2691:        }
 2692:        unless ($env{'form.pagepath'}) {
 2693:            $containertag = '<input type="hidden" name="folderpath" value="" />';
 2694:            $uploadtag = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($folderpath,'<>&"').'" />';
 2695:        }
 2696: 
 2697:        $r->print(<<ENDCOURSEVERIFY);
 2698: <form name="renameform" method="post" action="/adm/coursedocs">
 2699:   <input type="hidden" name="title" />
 2700:   <input type="hidden" name="cmd" />
 2701:   <input type="hidden" name="markcopy" />
 2702:   <input type="hidden" name="copyfolder" />
 2703:   $containertag
 2704: </form>
 2705: <form name="simpleedit" method="post" action="/adm/coursedocs">
 2706:   <input type="hidden" name="importdetail" value="" />
 2707:   $uploadtag
 2708: </form>
 2709: <form action="/adm/coursedocs" method="post" name="courseverify">
 2710:   <div class="LC_docs_course_commands">
 2711: 
 2712:       <div>
 2713:         <input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}
 2714:       </div>
 2715:       <div>
 2716:         <input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
 2717:       </div>
 2718:         $dumpbut
 2719:         $exportbut
 2720:       <div>
 2721:         <input type="submit" name="listsymbs" value="$lt{'ls'}" />
 2722:       </div>
 2723:       <div>
 2724:         <input type="hidden" name="folder" value="$env{'form.folder'}" />
 2725:         <input type="submit" name="docslog" value="$lt{'sl'}" />
 2726:       </div>
 2727:   </div>
 2728: </form>
 2729: <div style="clear: both; height: 0px;">&nbsp;</div>
 2730: ENDCOURSEVERIFY
 2731:        $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
 2732: 		     &mt('Editing the Table of Contents for your '.$type)));
 2733:     }
 2734: # --------------------------------------------------------- Standard documents
 2735:     $r->print('<table class="LC_docs_documents">');
 2736: 
 2737:     if (($standard) && ($allowed) && (!$forcesupplement)) {
 2738: 	$r->print('<tr><td class="LC_docs_document">');
 2739: #  '<h2>'.&mt('Main Course Documents').
 2740: #  ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');
 2741:        my $folder=$env{'form.folder'};
 2742:        if ($folder eq '' || $folder eq 'supplemental') {
 2743:            $folder='default';
 2744: 	   $env{'form.folderpath'}='default&'.&escape(&mt('Main '.$type.' Documents'));
 2745:            $uploadtag = '<input type="hidden" name="folderpath" value="'.
 2746: 	       &HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
 2747:        }
 2748:        my $postexec='';
 2749:        if ($folder eq 'default') {
 2750: 	   $r->print('<script type="text/javascript">this.window.name="loncapaclient";</script>');
 2751:        } else {
 2752:            #$postexec='self.close();';
 2753:        }
 2754:        $hadchanges=0;
 2755:        my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,
 2756: 			   $upload_output);
 2757:        if ($error) {
 2758: 	   $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 2759:        }
 2760:        if ($hadchanges) {
 2761: 	   &mark_hash_old()
 2762:        }
 2763:        &changewarning($r,$postexec);
 2764:        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2765:                      '.sequence';
 2766:        my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2767:                      '.page';
 2768: 	my $container='sequence';
 2769: 	if ($env{'form.pagepath'}) {
 2770: 	    $container='page';
 2771: 	}
 2772: 	my $readfile='/uploaded/'.$coursedom.'/'.$coursenum.'/'.$folder.'.'.$container;
 2773:        $r->print(<<ENDFORM);
 2774: <table class="LC_docs_adddocs">
 2775: <tr>
 2776: <th>$lt{'uplm'}</th>
 2777: <th>$lt{'impp'}</th>
 2778: <th>$lt{'spec'}</th>
 2779: </tr>
 2780: <tr>
 2781: <td>
 2782: $lt{'file'}:<br />
 2783: <form name="uploaddocument" action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2784: <input type="file" name="uploaddoc" size="40" />
 2785: <br />
 2786: $lt{'title'}:<br />
 2787: <input type="text" size="50" name="comment" />
 2788: $uploadtag
 2789: <input type="hidden" name="cmd" value="upload_default" />
 2790: <br />
 2791: <span class="LC_nobreak">
 2792: <label>$lt{'parse'}?
 2793: <input type="checkbox" name="parserflag" />
 2794: </label>
 2795: </span>
 2796: <br />
 2797: <br />
 2798: <span class="LC_nobreak">
 2799: <input type="submit" value="$lt{'upld'}" />
 2800:  $help{'Uploading_From_Harddrive'}
 2801: </span>
 2802: </form>
 2803: </td>
 2804: <td>
 2805: <form action="/adm/coursedocs" method="post" name="simpleeditdefault">
 2806: $lt{'pubd'}<br />
 2807: $uploadtag
 2808: <input type="button" onClick="javascript:groupsearch()" value="$lt{'srch'}" />
 2809: <br />
 2810: <span class="LC_nobreak">
 2811: <input type="button" onClick="javascript:groupimport();" value="$lt{'impo'}" />
 2812: $help{'Importing_LON-CAPA_Resource'}
 2813: </span>
 2814: <br />
 2815: <input type="button" onClick="javascript:groupopen(0,1,1);" value="$lt{'book'}" />
 2816: <hr />
 2817: <p>
 2818: $lt{'copm'}<br />
 2819: <input type="text" size="40" name="importmap" /><br />
 2820: <span class="LC_nobreak"><input type="button" 
 2821: onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
 2822: value="$lt{'selm'}" /> <input type="submit" name="loadmap" value="$lt{'load'}" />
 2823: $help{'Load_Map'}</span>
 2824: </p>
 2825: </form>
 2826: <hr />
 2827: <form action="/adm/groupsort" method="post" name="recover">
 2828: <input type="button" name="recovermap" onClick="javascript:groupopen('$readfile',1,0)" value="$lt{'reco'}" />
 2829: </form>
 2830: ENDFORM
 2831:        unless ($env{'form.pagepath'}) {
 2832: 	   $r->print(<<ENDFORM);
 2833: <hr />
 2834: <form action="/adm/coursedocs" method="post" name="newext">
 2835: $uploadtag
 2836: <input type="hidden" name="importdetail" value="" />
 2837: <span class="LC_nobreak">
 2838: <input name="newext" type="button" onClick="javascript:makenewext('newext');"
 2839: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 2840: </span>
 2841: </form>
 2842: <br /><form action="/adm/imsimportdocs" method="post" name="ims">
 2843: <input type="hidden" name="folder" value="$folder" />
 2844: <input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />
 2845: </form>
 2846: ENDFORM
 2847:        }
 2848:        $r->print('</td><td>');
 2849:        unless ($env{'form.pagepath'}) {
 2850: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 2851:            $r->print(<<ENDFORM);
 2852: <br /><form action="/adm/coursedocs" method="post" name="newfolder">
 2853: <input type="hidden" name="folderpath" value="$path" />
 2854: <input type="hidden" name="importdetail" value="" />
 2855: <span class="LC_nobreak">
 2856: <input name="newfolder" type="button"
 2857: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 2858: value="$lt{'newf'}" />$help{'Adding_Folders'}
 2859: </span>
 2860: </form>
 2861: <br /><form action="/adm/coursedocs" method="post" name="newpage">
 2862: <input type="hidden" name="folderpath" value="$path" />
 2863: <input type="hidden" name="importdetail" value="" />
 2864: <span class="LC_nobreak">
 2865: <input name="newpage" type="button"
 2866: onClick="javascript:makenewpage(this.form,'$pageseq');"
 2867: value="$lt{'newp'}" />$help{'Adding_Pages'}
 2868: </span>
 2869: </form>
 2870: <br /><form action="/adm/coursedocs" method="post" name="newsyl">
 2871: $uploadtag
 2872: <input type="hidden" name="importdetail" 
 2873: value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
 2874: <span class="LC_nobreak">
 2875: <input name="newsyl" type="submit" value="$lt{'syll'}" /> 
 2876:  $help{'Syllabus'}
 2877: </span>
 2878: </form>
 2879: <br /><form action="/adm/coursedocs" method="post" name="newnav">
 2880: $uploadtag
 2881: <input type="hidden" name="importdetail" 
 2882: value="Navigate Content=/adm/navmaps" />
 2883: <span class="LC_nobreak">
 2884: <input name="newnav" type="submit" value="$lt{'navc'}" />
 2885: $help{'Navigate_Content'}
 2886: </span>
 2887: </form>
 2888: <br /><form action="/adm/coursedocs" method="post" name="newsmppg">
 2889: $uploadtag
 2890: <input type="hidden" name="importdetail" value="" />
 2891: <span class="LC_nobreak">
 2892: <input name="newsmppg" type="button" value="$lt{'sipa'}"
 2893: onClick="javascript:makesmppage();" /> $help{'Simple Page'}
 2894: </span>
 2895: </form>
 2896: <br /><form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2897: $uploadtag
 2898: <input type="hidden" name="importdetail" value="" />
 2899: <span class="LC_nobreak">
 2900: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 2901: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 2902: </span>
 2903: </form>
 2904: <br /><form action="/adm/coursedocs" method="post" name="newdropbox">
 2905: $uploadtag      
 2906: <input type="hidden" name="importdetail" value="" />
 2907: <span class="LC_nobreak">          
 2908: <input name="newdropbox" type="button" value="$lt{'drbx'}"
 2909: onClick="javascript:makedropbox();" />
 2910: </span>         
 2911: </form> 
 2912: <br /><form action="/adm/coursedocs" method="post" name="newexamupload">
 2913: $uploadtag
 2914: <input type="hidden" name="importdetail" value="" />
 2915: <span class="LC_nobreak">
 2916: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 2917: onClick="javascript:makeexamupload();" />
 2918: $help{'Score_Upload_Form'}
 2919: </span>
 2920: </form>
 2921: <br /><form action="/adm/coursedocs" method="post" name="newbul">
 2922: $uploadtag
 2923: <input type="hidden" name="importdetail" value="" />
 2924: <span class="LC_nobreak">
 2925: <input name="newbulletin" type="button" value="$lt{'bull'}"
 2926: onClick="javascript:makebulboard();" />
 2927: $help{'Bulletin Board'}
 2928: </span>
 2929: </form>
 2930: <br /><form action="/adm/coursedocs" method="post" name="newaboutme">
 2931: $uploadtag
 2932: <input type="hidden" name="importdetail" 
 2933: value="$plainname=/adm/$udom/$uname/aboutme" />
 2934: <span class="LC_nobreak">
 2935: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 2936: $help{'My Personal Info'}
 2937: </span>
 2938: </form>
 2939: <br /><form action="/adm/coursedocs" method="post" name="newaboutsomeone">
 2940: $uploadtag
 2941: <input type="hidden" name="importdetail" value="" />
 2942: <span class="LC_nobreak">
 2943: <input name="newaboutsomeone" type="button" value="$lt{'abou'}" 
 2944: onClick="javascript:makeabout();" />
 2945: </span>
 2946: </form>
 2947: <br /><form action="/adm/coursedocs" method="post" name="newgroupfiles">
 2948: $uploadtag
 2949: <input type="hidden" name="importdetail"
 2950: value="Group Files=/adm/$coursedom/$coursenum/aboutme" />
 2951: <span class="LC_nobreak">
 2952: <input name="newgroupfiles" type="submit" value="$lt{'grpo'}" />
 2953: $help{'Group Files'}
 2954: </span>
 2955: </form>
 2956: <br /><form action="/adm/coursedocs" method="post" name="newroster">
 2957: $uploadtag
 2958: <input type="hidden" name="importdetail" 
 2959: value="Course Roster=/adm/viewclasslist" />
 2960: <span class="LC_nobreak">
 2961: <input name="newroster" type="submit" value="$lt{'rost'}" />
 2962: $help{'Course Roster'}
 2963: </span>
 2964: </form>
 2965: ENDFORM
 2966:        }
 2967:        if ($env{'form.pagepath'}) {
 2968:            $r->print(<<ENDBLOCK);
 2969: <form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2970: $uploadtag
 2971: <input type="hidden" name="importdetail" value="" />
 2972: <span class="LC_nobreak">
 2973: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 2974: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 2975: </span>
 2976: </form>
 2977: <br /><form action="/adm/coursedocs" method="post" name="newexamupload">
 2978: $uploadtag
 2979: <input type="hidden" name="importdetail" value="" />
 2980: <span class="LC_nobreak">
 2981: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 2982: onClick="javascript:makeexamupload();" />
 2983: $help{'Score_Upload_Form'}
 2984: </span>
 2985: </form>
 2986: ENDBLOCK
 2987:        }
 2988:        $r->print('</td></tr>'."\n".
 2989: '</table>');
 2990:        $r->print('</td></tr>');
 2991:     }
 2992: # ----------------------------------------------------- Supplemental documents
 2993:     if (!$forcestandard) {
 2994:        $r->print('<tr><td class="LC_docs_document">');
 2995: # '<h2>'.&mt('Supplemental Course Documents').
 2996: #  ($allowed?' '.$help{'Supplemental'}:'').'</h2>');
 2997:        my $folder=$env{'form.folder'};
 2998:        unless ($folder=~/^supplemental/) {
 2999: 	   $folder='supplemental';
 3000:        }
 3001:        if ($folder =~ /^supplemental$/ &&
 3002: 	   $env{'form.folderpath'} =~ /^default\&/) {
 3003: 	   $env{'form.folderpath'}='supplemental&'.
 3004: 	       &escape(&mt('Supplemental '.$type.' Documents'));
 3005:        }
 3006:        my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed);
 3007:        if ($error) {
 3008: 	   $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 3009:        }
 3010:        if ($allowed) {
 3011: 	   my $folderseq=
 3012: 	       '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
 3013: 	       '.sequence';
 3014: 
 3015: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 3016: 	   $r->print(<<ENDSUPFORM);
 3017: <table class="LC_docs_adddocs"><tr>
 3018: <th>$lt{'upls'}</th>
 3019: <th>$lt{'spec'}</th>
 3020: </tr>
 3021: <tr><td>
 3022: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 3023: <input type="file" name="uploaddoc" size="40" />
 3024: <br />
 3025: <br />
 3026: <span class="LC_nobreak">
 3027: <label>$lt{'parse'}?
 3028: <input type="checkbox" name="parserflag" />
 3029: </label>
 3030: </span>
 3031: <br /><br />
 3032: $lt{'comment'}:<br />
 3033: <textarea cols=50 rows=4 name='comment'>
 3034: </textarea>
 3035: <br />
 3036: <input type="hidden" name="folderpath" value="$path" />
 3037: <input type="hidden" name="cmd" value="upload_supplemental" />
 3038: <span class="LC_nobreak">
 3039: <input type="submit" value="$lt{'upld'}" />
 3040:  $help{'Uploading_From_Harddrive'}
 3041: </span>
 3042: </form>
 3043: </td>
 3044: <td>
 3045: <form action="/adm/coursedocs" method="post" name="supnewfolder">
 3046: <input type="hidden" name="folderpath" value="$path" />
 3047: <input type="hidden" name="importdetail" value="" />
 3048: <span class="LC_nobreak">
 3049: <input name="newfolder" type="button"
 3050: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 3051: value="$lt{'newf'}" /> $help{'Adding_Folders'}
 3052: </span>
 3053: </form>
 3054: <br /><form action="/adm/coursedocs" method="post" name="supnewext">
 3055: <input type="hidden" name="folderpath" value="$path" />
 3056: <input type="hidden" name="importdetail" value="" />
 3057: <span class="LC_nobreak">
 3058: <input name="newext" type="button" 
 3059: onClick="javascript:makenewext('supnewext');"
 3060: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 3061: </span>
 3062: </form>
 3063: <br /><form action="/adm/coursedocs" method="post" name="supnewsyl">
 3064: <input type="hidden" name="folderpath" value="$path" />
 3065: <input type="hidden" name="importdetail" 
 3066: value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
 3067: <span class="LC_nobreak">
 3068: <input name="newsyl" type="submit" value="$lt{'syll'}" />
 3069: $help{'Syllabus'}
 3070: </span>
 3071: </form>
 3072: <br /><form action="/adm/coursedocs" method="post" name="subnewaboutme">
 3073: <input type="hidden" name="folderpath" value="$path" />
 3074: <input type="hidden" name="importdetail" 
 3075: value="$plainname=/adm/$udom/$uname/aboutme" />
 3076: <span class="LC_nobreak">
 3077: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 3078: $help{'My Personal Info'}
 3079: </span>
 3080: </form>
 3081: </td></tr>
 3082: </table></td></tr>
 3083: ENDSUPFORM
 3084:        }
 3085:     }
 3086:     $r->print('</table>');
 3087:     if ($allowed) {
 3088: 	$r->print('
 3089: <form method="post" name="extimport" action="/adm/coursedocs">
 3090:   <input type="hidden" name="title" />
 3091:   <input type="hidden" name="url" />
 3092:   <input type="hidden" name="useform" />
 3093:   <input type="hidden" name="residx" />
 3094: </form>');
 3095:     }
 3096:   } else {
 3097:       unless ($upload_result eq 'phasetwo') {
 3098: # -------------------------------------------------------- This is showdoc mode
 3099:           $r->print("<h1>".&mt('Uploaded Document').' - '.
 3100: 		&Apache::lonnet::gettitle($r->uri).'</h1><p>'.
 3101: &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><table>".
 3102:           &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table>');
 3103:       }
 3104:   }
 3105:  }
 3106:  $r->print(&Apache::loncommon::end_page());
 3107:  return OK;
 3108: } 
 3109: 
 3110: 
 3111: sub editing_js {
 3112:     my ($udom,$uname) = @_;
 3113:     my $now = time();
 3114: 
 3115:     return <<ENDNEWSCRIPT;
 3116: function makenewfolder(targetform,folderseq) {
 3117:     var foldername=prompt('Name of New Folder','New Folder');
 3118:     if (foldername) {
 3119:        targetform.importdetail.value=escape(foldername)+"="+folderseq;
 3120:         targetform.submit();
 3121:     }
 3122: }
 3123: 
 3124: function makenewpage(targetform,folderseq) {
 3125:     var pagename=prompt('Name of New Page','New Page');
 3126:     if (pagename) {
 3127:         targetform.importdetail.value=escape(pagename)+"="+folderseq;
 3128:         targetform.submit();
 3129:     }
 3130: }
 3131: 
 3132: function makenewext(targetname) {
 3133:     this.document.forms.extimport.useform.value=targetname;
 3134:     this.document.forms.extimport.title.value='';
 3135:     this.document.forms.extimport.url.value='';
 3136:     this.document.forms.extimport.residx.value='';
 3137:     window.open('/adm/rat/extpickframe.html');
 3138: }
 3139: 
 3140: function edittext(targetname,residx,title,url) {
 3141:     this.document.forms.extimport.useform.value=targetname;
 3142:     this.document.forms.extimport.residx.value=residx;
 3143:     this.document.forms.extimport.url.value=url;
 3144:     this.document.forms.extimport.title.value=title;
 3145:     window.open('/adm/rat/extpickframe.html');
 3146: }
 3147: 
 3148: function makeexamupload() {
 3149:    var title=prompt('Listed Title for the Uploaded Score');
 3150:    if (title) { 
 3151:     this.document.forms.newexamupload.importdetail.value=
 3152: 	escape(title)+'=/res/lib/templates/examupload.problem';
 3153:     this.document.forms.newexamupload.submit();
 3154:    }
 3155: }
 3156: 
 3157: function makesmppage() {
 3158:    var title=prompt('Listed Title for the Page');
 3159:    if (title) { 
 3160:     this.document.forms.newsmppg.importdetail.value=
 3161: 	escape(title)+'=/adm/$udom/$uname/$now/smppg';
 3162:     this.document.forms.newsmppg.submit();
 3163:    }
 3164: }
 3165: 
 3166: function makesmpproblem() {
 3167:    var title=prompt('Listed Title for the Problem');
 3168:    if (title) { 
 3169:     this.document.forms.newsmpproblem.importdetail.value=
 3170: 	escape(title)+'=/res/lib/templates/simpleproblem.problem';
 3171:     this.document.forms.newsmpproblem.submit();
 3172:    }
 3173: }
 3174: 
 3175: function makedropbox() {
 3176:    var title=prompt('Listed Title for the Drop Box');
 3177:    if (title) { 
 3178:     this.document.forms.newdropbox.importdetail.value=
 3179:         escape(title)+'=/res/lib/templates/DropBox.problem';
 3180:     this.document.forms.newdropbox.submit();
 3181:    }
 3182: }
 3183: 
 3184: function makebulboard() {
 3185:    var title=prompt('Listed Title for the Bulletin Board');
 3186:    if (title) {
 3187:     this.document.forms.newbul.importdetail.value=
 3188: 	escape(title)+'=/adm/$udom/$uname/$now/bulletinboard';
 3189:     this.document.forms.newbul.submit();
 3190:    }
 3191: }
 3192: 
 3193: function makeabout() {
 3194:    var user=prompt("Enter user:domain for User's 'About Me' Page");
 3195:    if (user) {
 3196:        var comp=new Array();
 3197:        comp=user.split(':');
 3198:        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
 3199: 	   if ((comp[0]) && (comp[1])) {
 3200: 	       this.document.forms.newaboutsomeone.importdetail.value=
 3201: 		   'About '+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
 3202: 	       this.document.forms.newaboutsomeone.submit();
 3203: 	   } else {
 3204:                alert("Not a valid user:domain");
 3205:            }
 3206:        } else {
 3207:            alert("Please enter both user and domain in the format user:domain"); 
 3208:        }
 3209:    }
 3210: }
 3211: 
 3212: function makeims() {
 3213:     var caller = document.forms.ims.folder.value;
 3214:     var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one";
 3215:     newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes");
 3216:     newWindow.location.href = newlocation;
 3217: }
 3218: 
 3219: 
 3220: function finishpick() {
 3221:     var title=this.document.forms.extimport.title.value;
 3222:     var url=this.document.forms.extimport.url.value;
 3223:     var form=this.document.forms.extimport.useform.value;
 3224:     var residx=this.document.forms.extimport.residx.value;
 3225:     eval('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+'='+residx+'";this.document.forms.'+form+'.submit();');
 3226: }
 3227: 
 3228: function changename(folderpath,index,oldtitle,container,pagesymb) {
 3229:     var title=prompt('New Title',oldtitle);
 3230:     if (title) {
 3231: 	this.document.forms.renameform.markcopy.value=-1;
 3232: 	this.document.forms.renameform.title.value=title;
 3233: 	this.document.forms.renameform.cmd.value='rename_'+index;
 3234:         if (container == 'sequence') {
 3235: 	    this.document.forms.renameform.folderpath.value=folderpath;
 3236:         }
 3237:         if (container == 'page') {
 3238:             this.document.forms.renameform.pagepath.value=folderpath;
 3239:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3240:         }
 3241:         this.document.forms.renameform.submit();
 3242:     }
 3243: }
 3244: 
 3245: function removeres(folderpath,index,oldtitle,container,pagesymb,skip_confirm) {
 3246:     if (skip_confirm || confirm('WARNING: Removing a resource makes associated grades and scores inaccessible!\\nRemove "'+oldtitle+'"?')) {
 3247: 	this.document.forms.renameform.markcopy.value=-1;
 3248: 	this.document.forms.renameform.cmd.value='del_'+index;
 3249:         if (container == 'sequence') {
 3250:             this.document.forms.renameform.folderpath.value=folderpath;
 3251:         }
 3252:         if (container == 'page') {
 3253:             this.document.forms.renameform.pagepath.value=folderpath;
 3254:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3255:         }
 3256:         this.document.forms.renameform.submit();
 3257:     }
 3258: }
 3259: 
 3260: function cutres(folderpath,index,oldtitle,container,pagesymb,folder,skip_confirm) {
 3261:     if (skip_confirm || confirm('WARNING: Cutting a resource makes associated grades and scores inaccessible!\\nGrades remain inaccessible if resource is pasted into another folder.\\nCut "'+oldtitle+'"?')) {
 3262: 	this.document.forms.renameform.cmd.value='cut_'+index;
 3263: 	this.document.forms.renameform.markcopy.value=index;
 3264: 	this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3265:         if (container == 'sequence') {
 3266:             this.document.forms.renameform.folderpath.value=folderpath;
 3267:         }
 3268:         if (container == 'page') {
 3269:             this.document.forms.renameform.pagepath.value=folderpath;
 3270:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3271:         }
 3272:         this.document.forms.renameform.submit();
 3273:     }
 3274: }
 3275: 
 3276: function markcopy(folderpath,index,oldtitle,container,pagesymb,folder) {
 3277:     this.document.forms.renameform.markcopy.value=index;
 3278:     this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3279:     if (container == 'sequence') {
 3280: 	this.document.forms.renameform.folderpath.value=folderpath;
 3281:     }
 3282:     if (container == 'page') {
 3283: 	this.document.forms.renameform.pagepath.value=folderpath;
 3284: 	this.document.forms.renameform.pagesymb.value=pagesymb;
 3285:     }
 3286:     this.document.forms.renameform.submit();
 3287: }
 3288: 
 3289: ENDNEWSCRIPT
 3290: }
 3291: 1;
 3292: __END__

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