--- loncom/interface/lonindexer.pm 2004/05/11 05:19:30 1.104 +++ loncom/interface/lonindexer.pm 2004/10/20 10:54:08 1.126 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Directory Indexer # -# $Id: lonindexer.pm,v 1.104 2004/05/11 05:19:30 albertel Exp $ +# $Id: lonindexer.pm,v 1.126 2004/10/20 10:54:08 foxr Exp $ # # Copyright Michigan State University Board of Trustees # @@ -52,13 +52,16 @@ use Apache::Constants qw(:common); use Apache::lonmeta; use Apache::File; use Apache::lonlocal; +use Apache::lonsource(); use GDBM_File; # ---------------------------------------- variables used throughout the module my %hash; # global user-specific gdbm file my %dirs; # keys are directories, values are the open/close status my %language; # has the reference information present in language.tab - +my %dynhash; # hash of hashes for dynamic metadata +my %dynread; # hash of directories already read for dynamic metadata +my %fieldnames; # Metadata fieldnames # ----- Values which are set by the handler subroutine and are accessible to # ----- other methods. my $extrafield; # default extra table cell @@ -70,6 +73,8 @@ my @Only = (); my @Omit = (); + + # ----------------------------- Handling routine called via Apache and mod_perl sub handler { my $r = shift; @@ -85,6 +90,7 @@ sub handler { # these global to this package? It is just so wrong....) undef (@Only); undef (@Omit); + %fieldnames=&Apache::lonmeta::fieldnames(); # ------------------------------------- read in machine configuration variables my $iconpath= $r->dir_config('lonIconsURL') . "/"; @@ -127,7 +133,36 @@ sub handler { { if ($ENV{'form.launch'} eq '1') { &start_fresh_session(); - } + } + #Hijack lonindexer to verify a title and be close down. + if ($ENV{'form.launch'} eq '2') { + $r->content_type('text/html'); + my $extra=''; + if (defined($ENV{'form.titleelement'}) && + $ENV{'form.titleelement'} ne '') { + my $verify_title = &Apache::lonnet::gettitle($ENV{'form.acts'}); +# &Apache::lonnet::logthis("Hrrm $ENV{'form.acts'} -- $verify_title"); + $verify_title=~s/'/\\'/g; + $extra='window.opener.document.forms["'.$ENV{'form.form'}.'"].elements["'.$ENV{'form.titleelement'}.'"].value=\''.$verify_title.'\';'; + } + $r->print(< + + + + +ENDSUBM + return OK; + } + # -------------------- refresh environment with user database values (in %hash) &setvalues(\%hash,'form.catalogmode',\%ENV,'form.catalogmode' ); @@ -148,7 +183,7 @@ END ' border="0" />'; $colspan=" colspan='2' "; my $cl=&mt('Close'); - my $gi=&mt('Group Import'); + my $gi=&mt('Import'); $closebutton=< END @@ -207,21 +242,13 @@ END $location .= "mode=".$mode."&"; $location .= "acts="; $catalogmodefunctions=<<"END"; -function select_data(title,url) { - changeTitle(title); +function select_data(url) { changeURL(url); self.close(); } function select_group() { window.location="$location"+document.forms.fileattr.acts.value; } -function changeTitle(val) { - if (opener.inf) { - if (opener.inf.document.forms.resinfo.elements.t) { - opener.inf.document.forms.resinfo.elements.t.value=val; - } - } -} function changeURL(val) { if (opener.inf) { if (opener.inf.document.forms.resinfo.elements.u) { @@ -235,12 +262,10 @@ END $location .= "form=$form&element=$element&mode=edit&acts="; $catalogmodefunctions=<print(&Apache::loncommon::bodytag('B # ---------------------------------- get state of file attributes to be showing if ($ENV{'form.attrs'}) { - for (my $i=0; $i<=9; $i++) { + for (my $i=0; $i<=11; $i++) { delete $hash{'display_attrs_'.$i}; if ($ENV{'form.attr'.$i} == 1) { $attrchk[$i] = 'checked'; @@ -398,7 +423,7 @@ $r->print(&Apache::loncommon::bodytag('B } } } else { - for (my $i=0; $i<=9; $i++) { + for (my $i=0; $i<=11; $i++) { $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1; } } @@ -415,29 +440,36 @@ $r->print(&Apache::loncommon::bodytag('B 'au' => 'Author', 'kw' => 'Keywords', 'ln' => 'Language', + 'sa' => 'Source Available', 'sr' => 'Show resource', + 'li' => 'Linked/Related Resources', 'av' => 'All versions', 'ud' => 'Update Display' ); - my $Displayfileattributes=&mt('Display file attributes'); $r->print(< -$Displayfileattributes
- - - - - - - - - - - - + +
$lt{'ti'} $lt{'si'} $lt{'la'} $lt{'lm'} $lt{'st'}
$lt{'au'} $lt{'kw'} $lt{'ln'} $lt{'sr'} $lt{'av'}
+ + + + + + + + + + + + + + + + -
 
+ + @@ -490,11 +522,15 @@ END if ($hash{'display_attrs_5'} == 1); $r->print("".&mt("Language")."\n") if ($hash{'display_attrs_6'} == 1); - $r->print("".&mt("Resource")."\n") - if ($hash{'display_attrs_7'} == 1); $r->print("".&mt("Usage Statistics")."
(". - &mt("Courses/Network Hits").")\n") + &mt("Courses/Network Hits").") ".&mt('updated periodically')."\n") if ($hash{'display_attrs_8'} == 1); + $r->print("".&mt("Source Available")."\n") + if ($hash{'display_attrs_10'} == 1); + $r->print("".&mt("Linked/Related Resources")."\n") + if ($hash{'display_attrs_11'} == 1); + $r->print("".&mt("Resource")."\n") + if ($hash{'display_attrs_7'} == 1); $r->print(''); # ----------------- read in what directories have previously been set to "open" @@ -630,10 +666,12 @@ sub get_list { if ($ENV{'form.updatedisplay'}) { foreach (keys %hash) { delete $hash{$_} if ($_ =~ /^dirlist_files_/); + delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/); } } - if ($hash{'dirlist_files_'.$luri}) { + if (defined($hash{'dirlist_files_'.$luri}) && + $hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) { @list = split(/\n/,$hash{'dirlist_files_'.$luri}); } elsif ($uri=~/\.(page|sequence)\/$/) { # is a page or a sequence @@ -649,10 +687,32 @@ sub get_list { # is really a directory @list = &Apache::lonnet::dirlist($uri); $hash{'dirlist_files_'.$luri} = join("\n",@list); + $hash{'dirlist_timestamp_files_'.$luri} = time; } return @list=&match_ext($r,@list); } +sub dynmetaread { + my $uri=shift; + if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) { +# We don't want the filename + $uri=~s/\/[^\/]+$//; +# Did we already see this? + my $builddir=$uri; + while ($builddir) { + if ($dynread{$builddir}) { + return 0; + } + $builddir=~s/\/[^\/]+$//; + } +# Actually get the data + %dynhash= + (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri)); +# Remember that we got it + $dynread{$uri}=1; + } +} + sub initdebug { return < @@ -713,7 +773,7 @@ sub display_line { # or absolute paths (for example, from sequences) my $absolute; my $pathprefix; - if ($line=~/^\/res\//) { + if ($line=~m|^/res/| && $startdir ne '') { $absolute=1; $pathprefix=''; } else { @@ -733,12 +793,11 @@ sub display_line { my $tabtag=''; my $i=0; - while ($i<=8) { + while ($i<=11) { $tabtag=join('',$tabtag," ") if $hash{'display_attrs_'.$i} == 1; $i++; } - my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom'); # display uplink arrow @@ -770,7 +829,7 @@ sub display_line { if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); } # make absolute links appear on different background - if ($absolute) { $fileclr='#aaaa88'; } + if ($absolute) { $fileclr='#ccdd99'; } # display domain if ($filecom[1] eq 'domain') { @@ -787,7 +846,8 @@ sub display_line { $diropen.'.gif"'); $r->print (' name="'.$msg.'" height="22" type="image" border="0">'. "\n"); - $r->print ('print (' border="0" />'."\n"); $r->print (&mt("Domain")." - $listname "); @@ -814,7 +874,9 @@ sub display_line { '.gif"'); $r->print (' name="'.$msg.'" height="22" type="image" border="0">'. "\n"); - $r->print (''); my $domain=(split(m|/|,$startdir))[2]; @@ -840,34 +902,16 @@ sub display_line { } # Set the icon for the file my $iconname = &Apache::loncommon::icon($listname); - $r->print(""); + $r->print(""); - my $metafile = $Apache::lonnet::perlvar{'lonDocRoot'}.$pathprefix. - $filecom[0].'.meta'; - if (-e $metafile) { - $metafile=1; - } else { - $metafile=0; - } - my $title; if ($ENV{'form.catalogmode'} eq 'interactive') { - $title=$listname; - $title = &Apache::lonnet::metadata($filelink,'title') - if ($metafile == 1); - $title=$listname unless $title; - my $titleesc=HTML::Entities::encode($title,'<>&"'); - $titleesc=~s/\'/\\'/; #' (clean up this spare quote) + my $quotable_filelink = &javascript_escape($filelink); $r->print(""); + $quotable_filelink,"')\">"); $r->print("". "\n"); $r->print(""); } elsif ($ENV{'form.catalogmode'} eq 'groupimport') { - $title=$listname; - $title = &Apache::lonnet::metadata($filelink,'title') - if ($metafile == 1); - $title=$listname unless $title; - my $titleesc=&HTML::Entities::encode($title,'<>&"'); $r->print("
\n"); $r->print("\n"); $r->print("
\n"); $r->print(""); $hash{"pre_${fnum}_link"}=$filelink; - $hash{"pre_${fnum}_title"}=$titleesc; $fnum++; } # Form to open or close sequences @@ -925,11 +966,14 @@ sub display_line { if ($filelink=~/\.(page|sequence)$/) { $r->print(''); } - $r->print (" print (" $listname "); - $r->print (" (print (" (metadata) "); $r->print("\n"); @@ -959,13 +1003,57 @@ sub display_line { $r->print(' '.($keywords eq '' ? ' ' : $keywords). " \n"); } +#' + if ($hash{'display_attrs_6'} == 1) { my $lang = &Apache::lonnet::metadata($filelink,'language'); $lang = &Apache::loncommon::languagedescription($lang); $r->print(' '.($lang eq '' ? ' ' : $lang). " \n"); } + if ($hash{'display_attrs_8'} == 1) { +# statistics + &dynmetaread($filelink); + $r->print(""); + &dynmetaprint($r,$filelink,'count'); + &dynmetaprint($r,$filelink,'course'); + &dynmetaprint($r,$filelink,'stdno'); + &dynmetaprint($r,$filelink,'avetries'); + &dynmetaprint($r,$filelink,'difficulty'); + &dynmetaprint($r,$filelink,'disc'); + &dynmetaprint($r,$filelink,'clear'); + &dynmetaprint($r,$filelink,'technical'); + &dynmetaprint($r,$filelink,'correct'); + &dynmetaprint($r,$filelink,'helpful'); + &dynmetaprint($r,$filelink,'depth'); + $r->print(" \n"); + + } + if ($hash{'display_attrs_10'} == 1) { + my $source = &Apache::lonnet::metadata($filelink,'sourceavail'); + if($source eq 'open') { + my $sourcelink = &Apache::lonsource::make_link($filelink,$listname); + my $quotable_sourcelink = &javascript_escape($sourcelink); + $r->print(''."Yes "."\n"); + } else { #A cuddled else. :P + $r->print(" \n"); + } + } + if ($hash{'display_attrs_11'} == 1) { +# links + &dynmetaread($filelink); + $r->print(''); + &dynmetaprint($r,$filelink,'goto_list'); + &dynmetaprint($r,$filelink,'comefrom_list'); + &dynmetaprint($r,$filelink,'sequsage_list'); + &dynmetaprint($r,$filelink,'dependencies'); + $r->print(''); + } if ($hash{'display_attrs_7'} == 1) { +# Show resource my $output=''; my $embstyle=&Apache::loncommon::fileembstyle($curfext); if ($embstyle eq 'ssi') { @@ -993,15 +1081,6 @@ sub display_line { $r->print(' '.($output eq '' ? ' ':$output). " \n"); } - if ($hash{'display_attrs_8'} == 1) { - my (%stat) = &Apache::lonmeta::dynamicmeta($filelink); - my $stat = (exists($stat{'course'}) ? $stat{'course'} : ''). - ((exists($stat{'course'}) || exists($stat{'count'})) ? '/' : ''). - (exists($stat{'count'}) ? $stat{'count'} : ''); - $r->print(' '.($stat eq '' ? ' ' : $stat). - ' '."\n"); - } - $r->print("\n"); } @@ -1033,7 +1112,9 @@ sub display_line { 'folder_pointer_'.$diropen.'.gif"'); $r->print (' name="'.$msg.'" height="22" type="image" border="0">'. "\n"); - $r->print (''. "\n"); $r->print ("$listname\n"); @@ -1072,17 +1153,35 @@ sub display_line { $r->print(' '.($lang eq '' ? ' ' : $lang). " \n"); } - if ($hash{'display_attrs_7'} == 1) { - $r->print(' '); - } if ($hash{'display_attrs_8'} == 1) { $r->print(' '); } + if ($hash{'display_attrs_10'} == 1) { + $r->print(' '); + } + if ($hash{'display_attrs_11'} == 1) { + $r->print(' '); + } + if ($hash{'display_attrs_7'} == 1) { + $r->print(' '); + } $r->print(''); } } +sub dynmetaprint { + my ($r,$filelink,$item)=@_; + if ($dynhash{$filelink}->{$item}) { + $r->print("\n
".$fieldnames{$item}.': '. + &Apache::lonmeta::prettyprint($item, + $dynhash{$filelink}->{$item}, + (($ENV{'form.catalogmode'} ne 'groupimport')?'preview':''), + '', + (($ENV{'form.catalogmode'} eq 'groupimport')?'document.forms.fileattr':''),1)); + } +} + # ------------------- prints the beginning of a form for directory or file link sub begin_form { my ($r,$uri) = @_; @@ -1133,6 +1232,33 @@ sub cleanup { } } + +# +# Escapes strings that may have embedded 's that will be put into +# javascript strings as 'strings'. +# The assumptions are: +# There has been no effort to escape ' with \' +# Any \'s in the string are intended to be there as part of the URL +# and must also be escaped. +# Parameters: +# input - The string to escape. +# Returns: +# The escaped string (' replaced by \' and \ replaced by \\). +# +sub javascript_escape { + my ($input) = @_; + + # I imagine a regexp wizard could combine the two expressions below. + # If you do you might want to comment the result. + + $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)> + $input =~ s/\'/\\\'/g; # Esacpe the 's.... + + return $input; +} + + + =head1 NAME Apache::lonindexer - mod_perl module for cross server filesystem browsing