--- loncom/interface/londocs.pm 2004/04/07 22:32:18 1.116 +++ loncom/interface/londocs.pm 2005/01/08 06:42:15 1.164 @@ -1,7 +1,7 @@ # The LearningOnline Network # Documents # -# $Id: londocs.pm,v 1.116 2004/04/07 22:32:18 albertel Exp $ +# $Id: londocs.pm,v 1.164 2005/01/08 06:42:15 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -30,15 +30,18 @@ package Apache::londocs; use strict; use Apache::Constants qw(:common :http); +use Apache::imsexport; use Apache::lonnet; use Apache::loncommon; use Apache::lonratedt; use Apache::lonratsrv; use Apache::lonxml; use Apache::loncreatecourse; +use Apache::lonnavmaps; use HTML::Entities; use GDBM_File; use Apache::lonlocal; +use Cwd; my $iconpath; @@ -121,13 +124,19 @@ sub dumpbutton { if ($home) { return ''. ''; + &mt('Dump Course DOCS to Construction Space').'" />'. + &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs'); } else { return''. &mt('Dump Course DOCS to Construction Space: available on other servers'); } } +sub clean { + my ($title)=@_; + $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs; + return $title; +} # -------------------------------------------------------- Actually dump course sub dumpcourse { @@ -145,7 +154,7 @@ sub dumpcourse { my ($ca,$cd)=split(/\@/,$ENV{'form.authorspace'}); $r->print('

'.&mt('Copying Files').'

'); my $title=$ENV{'form.authorfolder'}; - $title=~s/[^\w\/]+/\_/g; + $title=&clean($title); my %replacehash=(); foreach (keys %ENV) { if ($_=~/^form\.namefor\_(.+)/) { @@ -156,7 +165,7 @@ sub dumpcourse { $crs=~s/\_/\//g; foreach (keys %replacehash) { my $newfilename=$title.'/'.$replacehash{$_}; - $newfilename=~s/[^\w\/\.]+/\_/g; + $newfilename=&clean($newfilename); my @dirs=split(/\//,$newfilename); my $path='/home/'.$ca.'/public_html'; my $makepath=$path; @@ -200,7 +209,8 @@ sub dumpcourse { $r->print( ''); } else { - $r->print(''); + $r->print(''); } } } @@ -209,7 +219,7 @@ sub dumpcourse { } my $title=$origcrsdata{'description'}; $title=~s/\s+/\_/gs; - $title=~s/\W//gs; + $title=&clean($title); $r->print('

'.&mt('Folder in Construction Space').'


'); &tiehash(); $r->print('

'.&mt('Filenames in Construction Space').'

'); @@ -218,12 +228,13 @@ sub dumpcourse { my ($ext)=($_=~/\.(\w+)$/); my $title=$hash{'title_'.$hash{ 'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}}; + $title=~s/:/:/g; $r->print(''); unless ($title) { $title=$_; } $title=~s/\.(\w+)$//; - $title=~s/\W+/\_/gs; + $title=&clean($title); $title.='.'.$ext; $r->print("\n\n"); } @@ -234,6 +245,598 @@ sub dumpcourse { } } +# ------------------------------------------------------ Generate "export" button + +sub exportbutton { + return ''; + return ''; # Edit commands + my $container; + my $folderpath; + if ($ENV{'form.folderpath'}) { + $container = 'sequence'; + $folderpath=&Apache::lonnet::escape($ENV{'form.folderpath'}); + # $htmlfoldername=&HTML::Entities::encode($ENV{'form.foldername'},'<>&"'); + } + my ($pagepath,$pagesymb); + if ($ENV{'form.pagepath'}) { + $container = 'page'; + $pagepath=&Apache::lonnet::escape($ENV{'form.pagepath'}); + $pagesymb=&Apache::lonnet::escape($ENV{'form.pagesymb'}); + } if ($allowed) { - my %lt=('up' => 'Move Up', + my $incindex=$index+1; + my $selectbox=''; + if ($folder!~/^supplemental/) { + $selectbox= + ''. + ''; + } + my %lt=&Apache::lonlocal::texthash( + 'up' => 'Move Up', 'dw' => 'Move Down', 'rm' => 'Remove', 'rn' => 'Rename'); - my $folderpath; - if ($ENV{'form.folderpath'}) { - $folderpath=&Apache::lonnet::escape($ENV{'form.folderpath'}); - # $htmlfoldername=&HTML::Entities::encode($ENV{'form.foldername'},'<>&"'); - } - $line.=(< + + + + + +END + } else { + $line.=(< + +
'.&mt('Internal Filename').''.&mt('Title').''.&mt('Save as ...').'
'.($title?$title:' ').'
'. + ''. + &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs'); +} + +sub exportcourse { + my $r=shift; + my %discussiontime = &Apache::lonnet::dump('discussiontimes', + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + my $numdisc = keys %discussiontime; + my $navmap = Apache::lonnavmaps::navmap->new(); + my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef); + my $curRes; + my $outcome; + + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['finishexport']); + if ($ENV{'form.finishexport'}) { + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['archive','discussion']); + + my @exportitems = (); + if (defined($ENV{'form.archive'})) { + if (ref($ENV{'form.archive'}) eq 'ARRAY') { + @exportitems = @{$ENV{'form.archive'}}; + } else { + $exportitems[0] = $ENV{'form.archive'}; + } + } + my @discussions = (); + if (defined($ENV{'form.discussion'})) { + if (ref($ENV{'form.discussion'}) eq 'ARRAY') { + @discussions = $ENV{'form.discussion'}; + } else { + $discussions[0] = $ENV{'form.discussion'}; + } + } + if (@exportitems == 0 && @discussions == 0) { + $outcome = '
As you did not select any content items or discussions for export, an IMS package has not been created. Please go back to select either content items or discussions for export'; + } else { + my $now = time; + my %symbs; + my $manifestok = 0; + my $imsresources; + my $tempexport; + my $copyresult; + my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport); + if ($manifestok) { + &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest); + close($ims_manifest); + +#Create zip file in prtspool + my $imszipfile = '/prtspool/'. + $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'. + time.'_'.rand(1000000000).'.zip'; +# zip can cause an sh launch which can pass along all of %ENV +# which can be too large for /bin/sh to handle + my %oldENV=%ENV; + undef(%ENV); + my $cwd = &Cwd::getcwd(); + my $imszip = '/home/httpd/'.$imszipfile; + chdir $tempexport; + open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); + close(OUTPUT); + chdir $cwd; + %ENV=%oldENV; + undef(%oldENV); + $outcome .= 'Download the zip file from IMS course archive
'; + if ($copyresult) { + $outcome .= 'The following errors occurred during export - '.$copyresult; + } + } else { + $outcome = '
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.
'; + } + } + + $r->print('Export Course'. + &Apache::loncommon::bodytag('Export course to IMS content package')); + $r->print($outcome); + $r->print(''); + } else { + my $display; + $display = '
'."\n"; + $display .= 'Choose which items you wish to export from your course.

'; + $display .= ''. + ''. + ''. + ''. + '
 Content items'. + ''. + '  
  
 Discussion posts'. + ''. + '  
'; + my $curRes; + my $depth = 0; + my $count = 0; + my $boards = 0; + my $startcount = 5; + my %parent = (); + my %children = (); + my $lastcontainer = $startcount; + my @bgcolors = ('#F6F6F6','#FFFFFF'); + $display .= ''. + ''; + while ($curRes = $it->next()) { + if (ref($curRes)) { + $count ++; + } + if ($curRes == $it->BEGIN_MAP()) { + $depth++; + $parent{$depth} = $lastcontainer; + } + if ($curRes == $it->END_MAP()) { + $depth--; + $lastcontainer = $parent{$depth}; + } + if (ref($curRes)) { + my $symb = $curRes->symb(); + my $ressymb = $symb; + if ($ressymb =~ m|adm/(\w+)/(\w+)/(\d+)/bulletinboard$|) { + unless ($ressymb =~ m|adm/wrapper/adm|) { + $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard'; + } + } + my $color = $count%2; + $display .=''; + if ($discussiontime{$ressymb} > 0) { + $boards ++; + $currelem = $count+$boards+$startcount; + $display .= ''."\n"; + } else { + $display .= ''."\n"; + } + } + } + my $scripttag = qq| + + |; + $r->print('Export Course'.$scripttag.''. + &Apache::loncommon::bodytag('Export course to IMS content package' +)); + + $r->print($display.'
Export content item?
 '."\n"; + if ($numdisc > 0) { + $display.='Export discussion posts?'."\n"; + } + $display.=' 
'."\n". + 'is_sequence()) || ($curRes->is_page())) { + my $checkitem = $count + $boards + $startcount; + $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"'; + } + $display .= ' />'."\n"; + for (my $i=0; $i<$depth; $i++) { + $display .= ''."\n"; + } + if ($curRes->is_sequence()) { + $display .= ' '."\n"; + $lastcontainer = $count + $startcount + $boards; + } elsif ($curRes->is_page()) { + $display .= ' '."\n"; + $lastcontainer = $count + $startcount + $boards; + } + my $currelem = $count+$boards+$startcount; + $children{$parent{$depth}} .= $currelem.':'; + $display .= ' '.$curRes->title().'   
'. + '

'. + '

'); + } +} + +sub create_ims_store { + my ($now,$manifestok,$outcome,$tempexport) = @_; + $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; + my $ims_manifest; + if (!-e $$tempexport) { + mkdir($$tempexport,0700); + } + $$tempexport .= '/'.$now; + if (!-e $$tempexport) { + mkdir($$tempexport,0700); + } + $$tempexport .= '/'.$ENV{'user.domain'}.'_'.$ENV{'user.name'}; + if (!-e $$tempexport) { + mkdir($$tempexport,0700); + } + if (!-e "$$tempexport/resources") { + mkdir("$$tempexport/resources",0700); + } +# open manifest file + my $manifest = '/imsmanifest.xml'; + my $manifestfilename = $$tempexport.$manifest; + if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) { + $$manifestok=1; + print $ims_manifest +''."\n". +''."\n". +' '."\n". +' '."\n". +' '.$ENV{'request.'.$ENV{'request.course.id'}.'.description'}.'' + } else { + $$outcome .= 'An error occurred opening the IMS manifest file.
' +; + } + return $ims_manifest; +} + +sub build_package { + my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_; +# first iterator to look for dependencies + my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef); + my $curRes; + my $count = 0; + my $depth = 0; + my $lastcontainer = 0; + my %parent = (); + my @dependencies = (); + my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'}; + my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; + while ($curRes = $it->next()) { + if (ref($curRes)) { + $count ++; + } + if ($curRes == $it->BEGIN_MAP()) { + $depth++; + $parent{$depth} = $lastcontainer; + } + if ($curRes == $it->END_MAP()) { + $depth--; + $lastcontainer = $parent{$depth}; + } + if (ref($curRes)) { + if ($curRes->is_sequence() || $curRes->is_page()) { + $lastcontainer = $count; + } + if (grep/^$count$/,@$exportitems) { + &get_dependencies($exportitems,\%parent,$depth,\@dependencies); + } + } + } +# second iterator to build manifest and store resources + $it = $navmap->getIterator(undef,undef,undef,1,undef,undef); + $depth = 0; + my $prevdepth; + $count = 0; + my $imsresources; + my $pkgdepth; + my $included = 0; + while ($curRes = $it->next()) { + if ($curRes == $it->BEGIN_MAP()) { + $prevdepth = $depth; + $depth++; + } + if ($curRes == $it->END_MAP()) { + $prevdepth = $depth; + $depth--; + } + + if (ref($curRes)) { + $count ++; + if ((grep/^$count$/,@$exportitems) || (grep/^$count$/,@dependencies)) { + my $symb = $curRes->symb(); + my $isvisible = 'true'; + my $resourceref; + if ($curRes->randomout()) { + $isvisible = 'false'; + } + unless ($curRes->is_sequence()) { + $resourceref = 'identifierref="RES-'.$ENV{'request.course.id'}.'-'.$count.'"'; + } + if (($depth <= $prevdepth) && ($count > 1) && ($included)) { + print $ims_manifest "\n".' '."\n"; + } + $included = 1; + $prevdepth = $depth; + + my $itementry = + ''. + ''.$curRes->title().''; + print $ims_manifest "\n".$itementry; + + unless ($curRes->is_sequence()) { + my $content_file; + my @hrefs = (); + &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport); + if ($content_file) { + $imsresources .= "\n". + ' '."\n". + ' '."\n"; + foreach (@hrefs) { + $imsresources .= + ' '."\n"; + } + if (grep/^$count$/,@$discussions) { + my $ressymb = $symb; + my $mode; + if ($ressymb =~ m|adm/(\w+)/(\w+)/(\d+)/bulletinboard$|) { + unless ($ressymb =~ m|adm/wrapper/adm|) { + $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard'; + } + $mode = 'board'; + } + my %extras = ( + caller => 'imsexport', + tempexport => $tempexport.'/resources', + count => $count + ); + my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras); + } + $imsresources .= ' '."\n"; + } + } + $pkgdepth = $depth; + } else { + $included = 0; + } + } + } + while ($pkgdepth > 0) { + print $ims_manifest " \n"; + $pkgdepth --; + } + my $resource_text = qq| + + + + $imsresources + + + |; + print $ims_manifest $resource_text; +} + +sub get_dependencies { + my ($exportitems,$parent,$depth,$dependencies) = @_; + if ($depth > 1) { + if ((!grep/^$$parent{$depth}$/,@$exportitems) && (!grep/^$$parent{$depth}$/,@$dependencies)) { + push @$dependencies, $$parent{$depth}; + if ($depth > 2) { + &get_dependencies($exportitems,$parent,$depth-1,$dependencies); + } + } + } +} + +sub process_content { + my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_; + my $content_type; + my $message; +# find where user is author or co-author + my @uploads = (); + if ($curRes->is_sequence()) { + $content_type = 'sequence'; + } elsif ($curRes->is_page()) { + $content_type = 'page'; # need to handle individual items in pages. + } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) { + $content_type = 'syllabus'; + my $contents = &Apache::imsexport::templatedpage($content_type); + if ($contents) { + $$content_file = &store_template($contents,$tempexport,$count,$content_type); + } + } elsif ($symb =~ m-\.sequence___\d+___ext-) { + $content_type = 'external'; + my $title = $curRes->title; + my $contents = &Apache::imsexport::external($symb,$title); + if ($contents) { + $$content_file = &store_template($contents,$tempexport,$count,$content_type); + } + } elsif ($symb =~ m-adm/navmaps$-) { + $content_type = 'navmap'; + } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) { + $content_type = 'simplepage'; + my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads); + if ($contents) { + $$content_file = &store_template($contents,$tempexport,$count,$content_type); + } + } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) { + $content_type = 'simpleproblem'; + my $contents = &Apache::imsexport::simpleproblem($symb); + if ($contents) { + $$content_file = &store_template($contents,$tempexport,$count,$content_type); + } + } elsif ($symb =~ m-lib/templates/examupload\.problem-m) { + $content_type = 'examupload'; + } elsif ($symb =~ m-adm/(\w+)/(\w+)/(\d+)/bulletinboard$-) { + $content_type = 'bulletinboard'; + my $contents = &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2); + if ($contents) { + $$content_file = &store_template($contents,$tempexport,$count,$content_type); + } + } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) { + $content_type = 'aboutme'; + my $contents = &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2); + if ($contents) { + $$content_file = &store_template($contents,$tempexport,$count,$content_type); + } + } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) { + $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded'); + } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) { + my $canedit = 0; + if ($2 eq $ENV{'user.domain'} && $3 eq $ENV{'user.name'}) { + $canedit= 1; + } + if ($canedit) { + $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource'); + } else { + $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit'); + } + } elsif ($symb =~ m-uploaded/$cdom/$cnum-) { + $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded'); + } + if (@uploads > 0) { + foreach my $item (@uploads) { + my $uploadmsg = ''; + &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload'); + if ($uploadmsg) { + $$copyresult .= $uploadmsg."\n"; + } + } + } + if ($message) { + $$copyresult .= $message."\n"; + } +} + +sub replicate_content { + my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_; + my ($map,$ind,$url); + if ($caller eq 'templateupload') { + $url = $symb; + $url =~ s#//#/#g; + } else { + ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); + } + my $content; + my $filename; + my $repstatus; + my $content_name; + if ($url =~ m-/([^/]+)$-) { + $filename = $1; + if (!-e $tempexport.'/resources') { + mkdir($tempexport.'/resources',0700); + } + if (!-e $tempexport.'/resources/'.$count) { + mkdir($tempexport.'/resources/'.$count,0700); + } + my $destination = $tempexport.'/resources/'.$count.'/'.$filename; + my $copiedfile; + if ($copiedfile = Apache::File->new('>'.$destination)) { + my $content; + if ($caller eq 'resource') { + $content = &Apache::lonnet::getfile('/home/httpd/html/res/'.$url); + if ($content eq -1) { + $$message = 'Could not copy file '.$filename; + } else { + &extract_media($content,$count,$tempexport,$href,'resource'); + $repstatus = 'ok'; + } + } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') { + my $rtncode; + $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode); + if ($repstatus eq 'ok') { + if ($url =~ /\.html?$/i) { + &extract_media(\$content,$count,$tempexport,$href,'uploaded'); + } + } else { + $$message = 'Could not render '.$url.' server message - '.$rtncode; + } + } elsif ($caller eq 'noedit') { +# Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this. + $repstatus = 'ok'; + $content = 'Not the owner of this resource'; + } + if ($repstatus eq 'ok') { + print $copiedfile $content; + } + close($copiedfile); + } else { + $$message = 'Could not open destination file for '.$filename."\n"; + } + } else { + $$message = 'Could not determine name of file for '.$symb."\n"; + } + if ($repstatus eq 'ok') { + $content_name = $count.'/'.$filename; + } + return $content_name; +} + +sub extract_media { + my ($content,$count,$tempexport,$href,$caller) = @_; +# @$href will contain path to any embedded resources in the content. +# For LON-CAPA problems this would be images. applets etc. +# For uploaded HTML files this would be images etc. +# paths will be in the form $count/res/$file, and urls in the $content will be rewritten with the new paths. + return; +} + +sub store_template { + my ($contents,$tempexport,$count,$content_type) = @_; + if ($contents) { + if ($tempexport) { + if (!-e $tempexport.'/resources') { + mkdir($tempexport.'/resources',0700); + } + if (!-e $tempexport.'/resources/'.$count) { + mkdir($tempexport.'/resources/'.$count,0700); + } + my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml'; + my $storetemplate; + if ($storetemplate = Apache::File->new('>'.$destination)) { + print $storetemplate $contents; + close($storetemplate); + } + if ($content_type eq 'external') { + return $count.'/'.$content_type.'.html'; + } else { + return $count.'/'.$content_type.'.xml'; + } + } + } +} # Imports the given (name, url) resources into the course # coursenum, coursedom, and folder must precede the list @@ -241,9 +844,31 @@ sub group_import { my $coursenum = shift; my $coursedom = shift; my $folder = shift; + my $container = shift; + my $caller = shift; while (@_) { my $name = shift; my $url = shift; + if (($url =~ m#^/uploaded/$coursedom/$coursenum/(default_\d+\.)(page|sequence)$#) && ($caller eq 'londocs')) { + my $errtext = ''; + my $fatal = 0; + my $newmapstr = ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''; + $ENV{'form.output'}=$newmapstr; + my $home=&Apache::lonnet::homeserver($coursenum,$coursedom); + my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,$home, + 'output',$1.$2); + if ($result != m|^/uploaded/|) { + $errtext.='Map not saved: A network error occured when trying to save the new map. '; + $fatal = 2; + } + if ($fatal) { + return ($errtext,$fatal); + } + } if ($url) { my $idx = $#Apache::lonratedt::resources + 1; $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=$idx; @@ -255,13 +880,18 @@ sub group_import { join ':', ($name, $url, $ext, 'normal', 'res'); } } - return &storemap($coursenum, $coursedom, $folder.'.sequence'); + return &storemap($coursenum, $coursedom, $folder.'.'.$container); } sub breadcrumbs { my ($where)=@_; &Apache::lonhtmlcommon::clear_breadcrumbs(); - my (@folders)=split('&',$ENV{'form.folderpath'}); + my (@folders); + if ($ENV{'form.pagepath'}) { + @folders = split('&',$ENV{'form.pagepath'}); + } else { + @folders=split('&',$ENV{'form.folderpath'}); + } my $folderpath; while (@folders) { my $folder=shift(@folders); @@ -273,11 +903,14 @@ sub breadcrumbs { &Apache::lonhtmlcommon::add_breadcrumb( {'href'=>$url, 'title'=>&Apache::lonnet::unescape($foldername), - 'text'=>&Apache::lonnet::unescape($foldername)}); + 'text'=>''. + &Apache::lonnet::unescape($foldername).'' + }); } - return &Apache::lonhtmlcommon::breadcrumbs(undef,undef,undef,undef,undef,0); + return &Apache::lonhtmlcommon::breadcrumbs(undef,undef,undef,undef,undef, + 0,'nohelp'); } sub editor { @@ -286,8 +919,12 @@ sub editor { $r->print(&breadcrumbs($folder)); my $errtext=''; my $fatal=0; + my $container='sequence'; + if ($ENV{'form.pagepath'}) { + $container='page'; + } ($errtext,$fatal)= - &mapread($coursenum,$coursedom,$folder.'.sequence'); + &mapread($coursenum,$coursedom,$folder.'.'.$container); if ($#Apache::lonratedt::order<1) { $Apache::lonratedt::order[0]=1; $Apache::lonratedt::resources[1]=''; @@ -296,15 +933,80 @@ sub editor { $r->print('

'.$errtext.'

'); } else { # ------------------------------------------------------------ Process commands + # ---------------- if they are for this folder and user allowed to make changes if (($allowed) && ($ENV{'form.folder'} eq $folder)) { +# set parameters and change order + if (defined($ENV{'form.setparms'})) { + my $idx=$ENV{'form.setparms'}; +# set parameters + if ($ENV{'form.randpick_'.$idx}) { + &Apache::lonratedt::storeparameter($idx,'parameter_randompick',$ENV{'form.randpick_'.$idx},'int_pos'); + } else { + &Apache::lonratedt::delparameter($idx,'parameter_randompick'); + } + if ($ENV{'form.hidprs_'.$idx}) { + &Apache::lonratedt::storeparameter($idx,'parameter_hiddenresource','yes','string_yesno'); + } else { + &Apache::lonratedt::delparameter($idx,'parameter_hiddenresource'); + } + if ($ENV{'form.encprs_'.$idx}) { + &Apache::lonratedt::storeparameter($idx,'parameter_encrypturl','yes','string_yesno'); + } else { + &Apache::lonratedt::delparameter($idx,'parameter_encrypturl'); + } + + if ($ENV{'form.newpos'}) { +# change order + + my $newpos=$ENV{'form.newpos'}-1; + my $currentpos=$ENV{'form.currentpos'}-1; + my $i; + my @neworder=(); + if ($newpos>$currentpos) { +# moving stuff up + for ($i=0;$i<$currentpos;$i++) { + $neworder[$i]=$Apache::lonratedt::order[$i]; + } + for ($i=$currentpos;$i<$newpos;$i++) { + $neworder[$i]=$Apache::lonratedt::order[$i+1]; + } + $neworder[$newpos]=$Apache::lonratedt::order[$currentpos]; + for ($i=$newpos+1;$i<=$#Apache::lonratedt::order;$i++) { + $neworder[$i]=$Apache::lonratedt::order[$i]; + } + } else { +# moving stuff down + for ($i=0;$i<$newpos;$i++) { + $neworder[$i]=$Apache::lonratedt::order[$i]; + } + $neworder[$newpos]=$Apache::lonratedt::order[$currentpos]; + for ($i=$newpos+1;$i<$currentpos+1;$i++) { + $neworder[$i]=$Apache::lonratedt::order[$i-1]; + } + for ($i=$currentpos+1;$i<=$#Apache::lonratedt::order;$i++) { + $neworder[$i]=$Apache::lonratedt::order[$i]; + } + } + @Apache::lonratedt::order=@neworder; + } +# store the changed version + + ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container); + if ($fatal) { + $r->print('

'.$errtext.'

'); + return; + } + + } + # upload a file, if present if (($ENV{'form.uploaddoc.filename'}) && ($ENV{'form.cmd'}=~/^upload_(\w+)/)) { if ( ($folder=~/^$1/) || ($1 eq 'default') ) { # this is for a course, not a user, so set coursedoc flag # probably the only place in the system where this should be "1" - my $url=&Apache::lonnet::userfileupload('uploaddoc',1); + my $url=&Apache::lonnet::userfileupload('uploaddoc',1,'docs'); my $ext='false'; if ($url=~/^http\:\/\//) { $ext='true'; } $url=~s/\:/\:/g; @@ -322,7 +1024,7 @@ sub editor { $Apache::lonratedt::order[$#Apache::lonratedt::order+1]= $newidx; - ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.sequence'); + ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container); if ($fatal) { $r->print('

'.$errtext.'

'); return; @@ -332,6 +1034,10 @@ sub editor { if ($ENV{'form.cmd'}) { my ($cmd,$idx)=split(/\_/,$ENV{'form.cmd'}); if ($cmd eq 'del') { + my (undef,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]]); + if ($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) { + &Apache::lonnet::removeuploadedurl($url); + } for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) { $Apache::lonratedt::order[$i]= $Apache::lonratedt::order[$i+1]; @@ -352,6 +1058,7 @@ sub editor { $Apache::lonratedt::order[$idx]=$i; } } elsif ($cmd eq 'rename') { + my $ratstr = $Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]]; my ($rtitle,@rrest)=split(/\:/, $Apache::lonratedt::resources[ $Apache::lonratedt::order[$idx]]); @@ -360,14 +1067,15 @@ sub editor { $comment=~s/\/\>\;/g; $comment=~s/\:/\:/g; - $Apache::lonratedt::resources[ + if ($comment=~/\S/) { + $Apache::lonratedt::resources[ $Apache::lonratedt::order[$idx]]= - $comment.':'.join(':',@rrest); - + $comment.':'.join(':',@rrest); + } } # Store the changed version ($errtext,$fatal)=&storemap($coursenum,$coursedom, - $folder.'.sequence'); + $folder.'.'.$container); if ($fatal) { $r->print('

'.$errtext.'

'); return; @@ -386,7 +1094,7 @@ sub editor { } # Store the changed version ($errtext,$fatal)=group_import($coursenum, $coursedom, $folder, - @imports); + $container,'londocs',@imports); if ($fatal) { $r->print('

'.$errtext.'

'); return; @@ -404,7 +1112,7 @@ sub editor { # Store the changed version ($errtext,$fatal)=&storemap($coursenum,$coursedom, - $folder.'.sequence'); + $folder.'.'.$container); if ($fatal) { $r->print('

'.$errtext.'

'); return; @@ -414,14 +1122,19 @@ sub editor { # ---------------------------------------------------------------- End commands # ---------------------------------------------------------------- Print screen my $idx=0; + my $shown=0; $r->print(''); foreach (@Apache::lonratedt::order) { my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]); unless ($name) { $name=(split(/\//,$url))[-1]; } - unless ($name) { next; } + unless ($name) { $idx++; next; } $r->print(&entryline($idx,$name,$url,$folder,$allowed,$_,$coursenum)); $idx++; + $shown++; } + unless ($shown) { + $r->print(''); + } $r->print('
'.&mt('Currently no documents.').'
'); } } @@ -435,6 +1148,8 @@ sub entryline { &Apache::lonnet::unescape($title)),'"<>&\''); my $renametitle=$title; my $foldertitle=$title; + my $pagetitle=$title; + my $orderidx=$Apache::lonratedt::order[$index]; if ($title=~ /^(\d+)___&&&___(\w+)___&&&___(\w+)___&&&___(.*)$/ ) { $foldertitle=&Apache::lontexconvert::msgtexconverted($4); $renametitle=$4; @@ -445,17 +1160,66 @@ sub entryline { $renametitle=~s/\"\;/\\\"/g; my $line='
+ + +
+ +$lt{
+ +$lt{
$selectbox + + +$lt{'rm'} + +$lt{'rn'} -
@@ -463,32 +1227,44 @@ sub entryline {
$lt{
 - +
+$selectbox + + $lt{'rm'} - + $lt{'rn'} END + } } # Figure out what kind of a resource this is my ($extension)=($url=~/\.(\w+)$/); my $uploaded=($url=~/^\/*uploaded\//); my $icon=&Apache::loncommon::icon($url); my $isfolder=0; + my $ispage=0; my $folderarg; + my $pagearg; + my $pagefile; if ($uploaded) { - if ($extension eq 'sequence') { - $icon=$iconpath.'/folder_closed.gif'; - $url=~/$coursenum\/([\/\w]+)\.sequence$/; - $url='/adm/coursedocs?'; - $folderarg=$1; - $isfolder=1; - } else { - $url=&Apache::lonnet::tokenwrapper($url); - } + if ($extension eq 'sequence') { + $icon=$iconpath.'/folder_closed.gif'; + $url=~/$coursenum\/([\/\w]+)\.sequence$/; + $url='/adm/coursedocs?'; + $folderarg=$1; + $isfolder=1; + } elsif ($extension eq 'page') { + $icon=$iconpath.'/page.gif'; + $url=~/$coursenum\/([\/\w]+)\.page$/; + $pagearg=$1; + $url='/adm/coursedocs?'; + $ispage=1; + } else { + &Apache::lonnet::allowuploaded('/adm/coursedoc',$url); + } } $url=~s/^http\&colon\;\/\//\/adm\/wrapper\/ext\//; - if ((!$isfolder) && ($residx) && ($folder!~/supplemental/)) { + if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) { my $symb=&Apache::lonnet::symbclean( &Apache::lonnet::declutter('uploaded/'. $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.'/'. @@ -498,30 +1274,103 @@ END &Apache::lonnet::declutter($url)); (undef,undef,$url)=&Apache::lonnet::decode_symb($symb); $url=&Apache::lonnet::clutter($url); + if ($url=~/^\/*uploaded\//) { + $url=~/\.(\w+)$/; + my $embstyle=&Apache::loncommon::fileembstyle($1); + if (($embstyle eq 'img') || ($embstyle eq 'emb')) { + $url='/adm/wrapper'.$url; + } elsif ($embstyle eq 'ssi') { + #do nothing with these + } elsif ($url!~/\.(sequence|page)$/) { + $url='/adm/coursedocs/showdoc'.$url; + } + } elsif ($url=~m|^/ext/|) { + $url='/adm/wrapper'.$url; + } $url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb); + if ($container eq 'page') { + my $symb=$ENV{'form.pagesymb'}; + + $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]); + $url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb); + } } + my $parameterset=' '; if ($isfolder) { my $foldername=&Apache::lonnet::escape($foldertitle); my $folderpath=$ENV{'form.folderpath'}; if ($folderpath) { $folderpath.='&' }; $folderpath.=$folderarg.'&'.$foldername; $url.='folderpath='.&Apache::lonnet::escape($folderpath); + $parameterset=''; + + } + if ($ispage) { + my $pagename=&Apache::lonnet::escape($pagetitle); + my $pagepath; + my $folderpath=$ENV{'form.folderpath'}; + if ($folderpath) { $pagepath = $folderpath.'&' }; + $pagepath.=$pagearg.'&'.$pagename; + my $symb=$ENV{'form.pagesymb'}; + if (!$symb) { + my $path='uploaded/'. + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.'/'. + $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.'/'; + $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence', + $residx, + $path.$pagearg.'.page'); + } + $url.='pagepath='.&Apache::lonnet::escape($pagepath). + '&pagesymb='.&Apache::lonnet::escape($symb); } $line.=''. - "$title"; + "$title"; + if (($allowed) && ($folder!~/^supplemental/)) { + my %lt=&Apache::lonlocal::texthash( + 'hd' => 'Hidden', + 'ec' => 'URL hidden', + 'sp' => 'Store Parameters'); + my $enctext= + ((&Apache::lonratedt::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':''); + my $hidtext= + ((&Apache::lonratedt::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':''); + $line.=(< + + + +$parameterset + + + +ENDPARMS + } + $line.=""; return $line; } # ---------------------------------------------------------------- tie the hash sub tiehash { + my ($mode)=@_; $hashtied=0; if ($ENV{'request.course.fn'}) { - if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db", - &GDBM_READER(),0640)) { + if ($mode eq 'write') { + if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db", + &GDBM_WRCREAT(),0640)) { + $hashtied=2; + } + } else { + if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db", + &GDBM_READER(),0640)) { $hashtied=1; - } + } + } } } @@ -534,6 +1383,7 @@ sub untiehash { sub checkonthis { my ($r,$url,$level,$title)=@_; + $url=&Apache::lonnet::unescape($url); $alreadyseen{$url}=1; $r->rflush(); if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) { @@ -620,7 +1470,15 @@ sub verifycontent { %alreadyseen=(); &tiehash(); foreach (keys %hash) { - if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) { + if ($hash{$_}=~/\.(page|sequence)$/) { + if (($_=~/^src_/) && ($alreadyseen{&Apache::lonnet::unescape($hash{$_})})) { + $r->print('
'. + &mt('The following sequence or page is included more than once in your course: '). + &Apache::lonnet::unescape($hash{$_}).'
'. + &mt('Note that grading records for problems included in this sequence or folder will overlap.
')); + } + } + if (($_=~/^src\_(.+)$/) && (!$alreadyseen{&Apache::lonnet::unescape($hash{$_})})) { &checkonthis($r,$hash{$_},0,$hash{'title_'.$1}); } } @@ -687,8 +1545,9 @@ sub checkversions { } else { $r->print('

'.&mt('An Error Occured while Attempting to Store your Version Settings').'

'); } - &changewarning($r,''); + &mark_hash_old(); } + &changewarning($r,''); if ($ENV{'form.timerange'} eq 'all') { # show all documents $header=&mt('All Documents in Course'); @@ -808,7 +1667,9 @@ ENDHEADERS # Set version $r->print(&Apache::loncommon::select_form($setversions{$linkurl}, 'set_version_'.$linkurl, - ('' => '', + ('select_form_order' => + ['',1..$currentversion,'mostrecent'], + '' => '', 'mostrecent' => 'most recent', map {$_,$_} (1..$currentversion)))); $r->print(''); @@ -869,12 +1730,45 @@ ENDHEADERS &untiehash(); } +sub mark_hash_old { + my $retie_hash=0; + if ($hashtied) { + $retie_hash=1; + &untiehash(); + } + &tiehash('write'); + $hash{'old'}=1; + &untiehash(); + if ($retie_hash) { &tiehash(); } +} + +sub is_hash_old { + my $untie_hash=0; + if (!$hashtied) { + $untie_hash=1; + &tiehash(); + } + my $return=$hash{'old'}; + if ($untie_hash) { &untiehash(); } + return $return; +} + sub changewarning { my ($r,$postexec)=@_; + if (!&is_hash_old()) { return; } + my $pathvar='folderpath'; + my $path=&Apache::lonnet::escape($ENV{'form.folderpath'}); + if (defined($ENV{'form.pagepath'})) { + $pathvar='pagepath'; + $path=&Apache::lonnet::escape($ENV{'form.pagepath'}); + $path.='&symb='.&Apache::lonnet::escape($ENV{'form.pagesymb'}); + } $r->print( ''. '
'. -'

'. +'

'. &mt('Changes will become active for your current session after'). ' '. + ''; + $uploadtag = ''. + ''; + } if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) { - $showdoc=$1; + $showdoc='/'.$1; } unless ($showdoc) { # got called from remote - $forcestandard=($ENV{'form.folder'}=~/^default_/); + if (($ENV{'form.folder'}=~/^default_/) || + ($ENV{'form.folder'} =~ m#^\d+/(pages|sequences)/#)) { + $forcestandard = 1; + } $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/); # does this user have privileges to post, etc? @@ -990,6 +1901,14 @@ function makenewfolder(targetform,folder } } +function makenewpage(targetform,folderseq) { + var pagename=prompt('Name of New Page','New Page'); + if (pagename) { + targetform.importdetail.value=pagename+"="+folderseq; + targetform.submit(); + } +} + function makenewext(targetname) { this.document.forms.extimport.useform.value=targetname; window.open('/adm/rat/extpickframe.html'); @@ -1063,23 +1982,36 @@ function finishpick() { '";this.document.forms.'+form+'.submit();'); } -function changename(folderpath,index,oldtitle) { +function changename(folderpath,index,oldtitle,container,pagesymb) { var title=prompt('New Title',oldtitle); if (title) { this.document.forms.renameform.title.value=title; this.document.forms.renameform.cmd.value='rename_'+index; - this.document.forms.renameform.folderpath.value=folderpath; + if (container == 'sequence') { + this.document.forms.renameform.folderpath.value=folderpath; + } + if (container == 'page') { + this.document.forms.renameform.pagepath.value=folderpath; + this.document.forms.renameform.pagesymb.value=pagesymb; + } this.document.forms.renameform.submit(); } } -function removeres(folderpath,index,oldtitle) { +function removeres(folderpath,index,oldtitle,container,pagesymb) { if (confirm('Remove "'+oldtitle+'"?')) { this.document.forms.renameform.cmd.value='del_'+index; - this.document.forms.renameform.folderpath.value=folderpath; + if (container == 'sequence') { + this.document.forms.renameform.folderpath.value=folderpath; + } + if (container == 'page') { + this.document.forms.renameform.pagepath.value=folderpath; + this.document.forms.renameform.pagesymb.value=pagesymb; + } this.document.forms.renameform.submit(); } } + ENDNEWSCRIPT @@ -1088,8 +2020,7 @@ ENDNEWSCRIPT $r->print(''. &Apache::loncommon::bodytag('Course Documents','',$events, '','',$showdoc). - &Apache::loncommon::help_open_faq(273). - &Apache::loncommon::help_open_bug('RAT')); + &Apache::loncommon::help_open_menu('','','','',273,'RAT')); unless ($showdoc) { # ----------------------------------------------------------------------------- my %lt=&Apache::lonlocal::texthash( @@ -1103,6 +2034,7 @@ ENDNEWSCRIPT 'selm' => 'Select Map', 'load' => 'Load Map', 'newf' => 'New Folder', + 'newp' => 'New Composite Page', 'extr' => 'External Resource', 'syll' => 'Syllabus', 'navc' => 'Navigate Contents', @@ -1120,27 +2052,43 @@ ENDNEWSCRIPT # ----------------------------------------------------------------------------- if ($allowed) { my $dumpbut=&dumpbutton(); + my $exportbut=&exportbutton(); my %lt=&Apache::lonlocal::texthash( 'vc' => 'Verify Content', 'cv' => 'Check/Set Resource Versions', ); + + my $folderpath=$ENV{'form.folderpath'}; + if (!$folderpath) { + if ($ENV{'form.folder'} eq '' || + $ENV{'form.folder'} eq 'supplemental') { + $folderpath='default&'. + &Apache::lonnet::escape(&mt('Main Course Documents')); + } + } + unless ($ENV{'form.pagepath'}) { + $containertag = ''; + $uploadtag = ''; + } + $r->print(< - +$containertag
- +$uploadtag
- +$help{'Verify_Content'} - + $help{'Check_Resource_Versions'} $dumpbut +$exportbut
ENDCOURSEVERIFY @@ -1148,14 +2096,13 @@ ENDCOURSEVERIFY &mt('Editing the Table of Contents for your Course'))); } # --------------------------------------------------------- Standard documents - #my $htmlfoldername=&HTML::Entities::encode($ENV{'form.foldername'},'<>&"'); $r->print(''); if (($standard) && ($allowed) && (!$forcesupplement)) { $r->print(' @@ -1185,17 +2136,17 @@ $lt{'file'}:

$lt{'title'}:
- +$uploadtag - + $help{'Uploading_From_Harddrive'} + -
'); # '

'.&mt('Main Course Documents'). # ($allowed?' '.$help{'Main_Course_Documents'}:'').'

'); my $folder=$ENV{'form.folder'}; - if ($folder eq '') { + if ($folder eq '' || $folder eq 'supplemental') { $folder='default'; $ENV{'form.folderpath'}='default&'.&Apache::lonnet::escape(&mt('Main Course Documents')); } @@ -1163,15 +2110,19 @@ ENDCOURSEVERIFY if ($folder eq 'default') { $r->print(''); } else { - $postexec='self.close();'; + #$postexec='self.close();'; } $hadchanges=0; &editor($r,$coursenum,$coursedom,$folder,$allowed); if ($hadchanges) { - &changewarning($r,$postexec); + &mark_hash_old() } + &changewarning($r,$postexec); my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time. '.sequence'; + my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time. + '.page'; + $r->print(<
$lt{'uplm'}
- +$uploadtag @@ -1210,7 +2161,11 @@ value="$lt{'selm'}"> +
 +ENDFORM + unless ($ENV{'form.pagepath'}) { + $r->print(< @@ -1220,16 +2175,25 @@ onClick="javascript:makenewfolder(this.f value="$lt{'newf'}" />$help{'Adding_Folders'} -
+ +$help{'Adding_Pages'} + +
+
+$uploadtag + + $help{'Adding_External_Resource'}
- +$uploadtag @@ -1238,7 +2202,7 @@ value="Syllabus=/public/$coursedom/$cour
- +$uploadtag @@ -1247,7 +2211,7 @@ $help{'Navigate_Content'}
- +$uploadtag $
- +$uploadtag
- +$uploadtag
- +$uploadtag
- +$uploadtag @@ -1290,21 +2254,46 @@ $help{'My Personal Info'}
- +$uploadtag +ENDFORM + } + if ($ENV{'form.pagepath'}) { + $r->print(< +$uploadtag + + +$help{'Simple Problem'} + + +
+$uploadtag + + + +$help{'Score_Upload_Form'} + +
+ENDBLOCK + } else { + $r->print(<
- +
-
ENDFORM + } + $r->print(''."\n". +''); $r->print(''); } # ----------------------------------------------------- Supplemental documents @@ -1313,9 +2302,13 @@ ENDFORM # '

'.&mt('Supplemental Course Documents'). # ($allowed?' '.$help{'Supplemental'}:'').'

'); my $folder=$ENV{'form.folder'}; - unless ($folder=~/supplemental/) { + unless ($folder=~/^supplemental/) { $folder='supplemental'; - $ENV{'form.folderpath'}='supplemental&'.&Apache::lonnet::escape(&mt('Supplemental Course Documents'));; + } + if ($folder =~ /^supplemental$/ && + $ENV{'form.folderpath'} =~ /^default\&/) { + $ENV{'form.folderpath'}='supplemental&'. + &Apache::lonnet::escape(&mt('Supplemental Course Documents')); } &editor($r,$coursenum,$coursedom,$folder,$allowed); if ($allowed) { @@ -1391,7 +2384,8 @@ ENDSUPFORM $r->print(''); } else { # -------------------------------------------------------- This is showdoc mode - $r->print("

".&mt('Uploaded Document').'

'. + $r->print("

".&mt('Uploaded Document').' - '. + &Apache::lonnet::gettitle($r->uri).'

'. &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."

". &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'

'); }