--- loncom/interface/lonindexer.pm 2003/08/21 21:57:36 1.75 +++ loncom/interface/lonindexer.pm 2018/08/07 17:41:40 1.228 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Directory Indexer # -# $Id: lonindexer.pm,v 1.75 2003/08/21 21:57:36 albertel Exp $ +# $Id: lonindexer.pm,v 1.228 2018/08/07 17:41:40 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,21 +25,6 @@ # # http://www.lon-capa.org/ # -# YEAR=1999 -# 5/21/99, 5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14 Gerd Kortemeyer) -# 11/23 Gerd Kortemeyer -# YEAR=2000 -# 07/20-08/04 H.K. Ng -# YEAR=2001 -# 05/9-05/19/2001 H. K. Ng -# 05/21/2001 H. K. Ng -# 05/23/2001 H. K. Ng -# 6/26,7/8 H. K. Ng -# 8/14 H. K. Ng -# 11/30 Matthew Hall -# YEAR=2002 -# 6/29/2002 H. K. Ng -# ### ############################################################################### @@ -49,9 +34,8 @@ ## 1. Description of functions ## ## 2. Modules used by this module ## ## 3. Choices for different output views (detailed, summary, xml, etc) ## -## 4. BEGIN block (to be run once after compilation) ## -## 5. Handling routine called via Apache and mod_perl ## -## 6. Other subroutines ## +## 4. Handling routine called via Apache and mod_perl ## +## 5. Other subroutines ## ## ## ############################################################################### @@ -59,18 +43,25 @@ package Apache::lonindexer; # ------------------------------------------------- modules used by this module use strict; -use Apache::lonnet(); +use Apache::lonnet; use Apache::loncommon(); +use Apache::lonhtmlcommon(); +use Apache::lonsequence(); use Apache::Constants qw(:common); use Apache::lonmeta; use Apache::File; +use Apache::lonlocal; +use Apache::lonsource(); +use Apache::groupsort(); use GDBM_File; +use LONCAPA qw(:match); # ---------------------------------------- variables used throughout the module -my %hash; # tied to a user-specific gdbm file +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 @@ -82,11 +73,13 @@ my @Only = (); my @Omit = (); + + # ----------------------------- Handling routine called via Apache and mod_perl sub handler { my $r = shift; my $c = $r->connection(); - $r->content_type('text/html'); + &Apache::loncommon::content_type($r,'text/html'); &Apache::loncommon::no_cache($r); $r->send_http_header; return OK if $r->header_only; @@ -97,73 +90,111 @@ 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 +# --------------------------------------------------------------- get icon path my $iconpath= $r->dir_config('lonIconsURL') . "/"; - my $domain = $r->dir_config('lonDefDomain'); - my $role = $r->dir_config('lonRole'); - my $loadlim = $r->dir_config('lonLoadLim'); - my $servadm = $r->dir_config('lonAdmEMail'); - my $sysadm = $r->dir_config('lonSysEMail'); - my $lonhost = $r->dir_config('lonHostID'); - my $tabdir = $r->dir_config('lonTabDir'); + my $defdom = &Apache::lonnet::default_login_domain(); - my $fileclr='#ffffe6'; +#SB my $fileclr='#ffffe6'; my $line; - my (@attrchk,@openpath); + my (@attrchk,@openpath,$typeselect); my $uri=$r->uri; # -------------------------------------- see if called from an interactive mode # Get the parameters from the query string &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['catalogmode','launch','acts','mode','form','element', - 'only','omit']); + 'only','omit','titleelement']); #------------------------------------------------------------------- my $closebutton=''; my $groupimportbutton=''; my $colspan=''; - + $extrafield=''; - my $diropendb = - "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_indexer.db"; + my $diropendb = LONCAPA::tempdir() . + "$env{'user.domain'}_$env{'user.name'}_sel_res.db"; %hash = (); { my %dbfile; - if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) { + if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) { + if ($env{'form.launch'} eq '1') { + &start_fresh_session(\%dbfile); + } while(my($key,$value)=each(%dbfile)) { $hash{$key}=$value; } untie(%dbfile); } } +# - Evaluate actions from previous page (both cumulatively and chronologically) + if ($env{'form.catalogmode'} eq 'import' || $hash{'form.catalogmode'} eq 'import') { + &Apache::groupsort::update_actions_hash(\%hash); + } + { - if ($ENV{'form.launch'} eq '1') { - &start_fresh_session(); - } + #Hijack lonindexer to verify a title and be close down. + if ($env{'form.launch'} eq '2') { + &Apache::loncommon::content_type($r,'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.'\';'; + } + my $js = < + function load() { + window.opener.document.forms["$env{'form.form'}"] + .elements["$env{'form.element'}"] + .value='$env{'form.acts'}'; + $extra + window.close(); + } + +ENDSUBM + $r->print(&Apache::loncommon::start_page(undef,$js, + {'only_body' =>1, + 'add_modal' => 1, + 'add_wishlist' => 1, + 'add_entries' => + {'onload' => "load();"},} + ). + &Apache::loncommon::end_page()); + return OK; + } + # -------------------- refresh environment with user database values (in %hash) - &setvalues(\%hash,'form.catalogmode',\%ENV,'form.catalogmode' ); + &setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode' ); # --------------------- define extra fields and buttons in case of special mode - if ($ENV{'form.catalogmode'} eq 'interactive') { - $extrafield=''. - ''; + if ($env{'form.catalogmode'} eq 'interactive') { +#SB $extrafield=''. + $extrafield=''. + ''; $colspan=" colspan='2' "; + my $cl=&mt('Close'); $closebutton=< + END } - elsif ($ENV{'form.catalogmode'} eq 'groupimport') { - $extrafield=''. - ''; + elsif ($env{'form.catalogmode'} eq 'import') { +#SB $extrafield=''. + $extrafield=''. + ''; $colspan=" colspan='2' "; + my $cl=&mt('Close'); + my $gi=&mt('Import'); $closebutton=< + END $groupimportbutton=< + END } # Additions made by Matthew to make the browser a little easier to deal @@ -174,32 +205,34 @@ END # selection is made. # $element is the name of the element in $formname which receives # the URL. - # &Apache::lonxml::debug('Checking mode, form, element'); - &setvalues(\%hash,'form.mode' ,\%ENV,'form.mode' ); - &setvalues(\%hash,'form.form' ,\%ENV,'form.form' ); - &setvalues(\%hash,'form.element',\%ENV,'form.element'); - &setvalues(\%hash,'form.only' ,\%ENV,'form.only' ); - &setvalues(\%hash,'form.omit' ,\%ENV,'form.omit' ); + #&Apache::lonxml::debug('Checking mode, form, element'); + &setvalues(\%hash,'form.mode' ,\%env,'form.mode' ); + &setvalues(\%hash,'form.form' ,\%env,'form.form' ); + &setvalues(\%hash,'form.element' ,\%env,'form.element'); + &setvalues(\%hash,'form.titleelement',\%env,'form.titleelement'); + &setvalues(\%hash,'form.only' ,\%env,'form.only' ); + &setvalues(\%hash,'form.omit' ,\%env,'form.omit' ); # Deal with 'omit' and 'only' - if (exists $ENV{'form.omit'}) { - @Omit = split(',',$ENV{'form.omit'}); + if (exists $env{'form.omit'}) { + @Omit = split(',',$env{'form.omit'}); } - if (exists $ENV{'form.only'}) { - @Only = split(',',$ENV{'form.only'}); + if (exists $env{'form.only'}) { + @Only = split(',',$env{'form.only'}); } - my $mode = $ENV{'form.mode'}; - my ($form,$element); + my $mode = $env{'form.mode'}; + my ($form,$element,$titleelement); if ($mode eq 'edit' || $mode eq 'parmset') { - $form = $ENV{'form.form'}; - $element = $ENV{'form.element'}; + $form = $env{'form.form'}; + $element = $env{'form.element'}; + $titleelement = $env{'form.titleelement'}; } - &Apache::lonxml::debug("mode=$mode form=$form element=$element"); + #&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement"); # ------ set catalogmodefunctions to have extra needed javascript functionality my $catalogmodefunctions=''; - if ($ENV{'form.catalogmode'} eq 'interactive' or - $ENV{'form.catalogmode'} eq 'groupimport') { + if ($env{'form.catalogmode'} eq 'interactive' or + $env{'form.catalogmode'} eq 'import') { # The if statement below sets us up to use the old version # by default (ie. if $mode is undefined). This is the easy # way out. Hopefully in the future I'll find a way to get @@ -210,25 +243,17 @@ END # # if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) { - my $location = "/adm/groupsort?catalogmode=groupimport&"; + my $location = "/adm/groupsort?&inhibitmenu=yes&catalogmode=import&"; $location .= "mode=".$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) { @@ -242,11 +267,13 @@ END $location .= "form=$form&element=$element&mode=edit&acts="; $catalogmodefunctions=<print(< - -The LearningOnline Network With CAPA Directory Browser - + + my $js = <<"ENDHEADER"; - - ENDHEADER -my ($headerdom)=($uri=~/^\/res\/(\w+)\//); -$r->print(&Apache::loncommon::bodytag('Browse Resources',undef,undef,undef, - $headerdom)); -# - Evaluate actions from previous page (both cumulatively and chronologically) - if ($ENV{'form.catalogmode'} eq 'groupimport') { - my $acts=$ENV{'form.acts'}; - my @Acts=split(/b/,$acts); - my %ahash; - my %achash; - my $ac=0; - # some initial hashes for working with data - foreach (@Acts) { - my ($state,$ref)=split(/a/); - $ahash{$ref}=$state; - $achash{$ref}=$ac; - $ac++; - } - # sorting through the actions and changing the tied database hash - foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) { - my $key=$_; - if ($ahash{$key} eq '1') { - $hash{'store_'.$hash{'pre_'.$key.'_link'}}= - $hash{'pre_'.$key.'_title'}; - $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}= - $hash{'storectr'}+0; - $hash{'storectr'}++; - } - if ($ahash{$key} eq '0') { - if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) { - delete $hash{'store_'.$hash{'pre_'.$key.'_link'}}; - } - } - } - # deleting the previously cached listing - foreach (keys %hash) { - if ($_ =~ /^pre_/ && $_ =~/link$/) { - my $key = $_; - $key =~ s/^pre_//; - $key =~ s/_[^_]*$//; - delete $hash{'pre_'.$key.'_title'}; - delete $hash{'pre_'.$key.'_link'}; - } - } + + my ($headerdom)=($uri=~m{^/res/($match_domain)/}); + + if ($env{'form.catalogmode'}) { + # "Popup mode" + $r->print(&Apache::loncommon::start_page('Browse published resources',$js, + {'only_body' => 1, 'add_wishlist'=>1, 'add_modal' =>1, + 'domain' => $headerdom,})); + } else { + # Only display page header and breadcrumbs in non-popup mode + &Apache::lonhtmlcommon::clear_breadcrumbs(); + &Apache::lonhtmlcommon::add_breadcrumb({ + 'text' => 'Browse published resources', + 'href' => '/res/'.$headerdom.'/?launch=1', + }); + $r->print(&Apache::loncommon::start_page('Browse published resources',$js, + {'domain' => $headerdom,}) + .&Apache::lonhtmlcommon::breadcrumbs() + ); + } + +# ---------------------------------- get state of file types to be showing + if ($env{'form.only'}) { + $typeselect = $env{'form.only'}; + } else { + $typeselect = ''; } - + # ---------------------------------- get state of file attributes to be showing - if ($ENV{'form.attrs'} ne '') { - for (my $i=0; $i<=9; $i++) { + if ($env{'form.attrs'}) { + for (my $i=0; $i<=16; $i++) { delete $hash{'display_attrs_'.$i}; - if ($ENV{'form.attr'.$i} == 1) { + if ($env{'form.attr'.$i} == 1) { $attrchk[$i] = 'checked'; $hash{'display_attrs_'.$i} = 1; } } } else { - for (my $i=0; $i<=9; $i++) { - $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1; + for (my $i=0; $i<=16; $i++) { + $attrchk[$i] = 'checked="checked"' if $hash{'display_attrs_'.$i} == 1; } } + + my @file_categories = &Apache::loncommon::filecategories(); + my %select_file_categories; + my @select_form_order = (''); + $select_file_categories{''} = &mt('All file types'); + foreach my $cat (@file_categories) { + my $types = join(",",&Apache::loncommon::filecategorytypes($cat)); + $select_file_categories{$types} = &mt($cat); + push(@select_form_order,$types); + } + $select_file_categories{'select_form_order'} = \@select_form_order; + my $onchange = 'this.form.submit();'; + my $type_element= + &Apache::loncommon::select_form( + $typeselect, + 'only', + \%select_file_categories,$onchange); + my $type_selector = ''; + # ------------------------------- output state of file attributes to be showing # All versions has to the last item # since it does not take an extra col - $r->print(< -Display file attributes
- - - - - - - - - - - - -
Title Size Last access Last modified Statistics
Author Keywords Language Show Resource All versions 
- + my %lt=&Apache::lonlocal::texthash( + 'av' => 'All versions', + 'ud' => 'Update Display', + 'pr' => 'Problems', + 'gr' => 'Graphics', + 'at' => 'All types', + 'hd' => 'Display Options' + ); + my @disp_order = ('0','4','5','6','13','1','2','3','10','14','8','11','7','12','15','16'); + my %disp_options = &Apache::lonlocal::texthash ( + 0 => 'Title', + 4 => 'Author', + 5 => 'Keywords', + 6 => 'Language', + 13 => 'Notes', + 1 => 'Size', + 2 => 'Last access', + 3 => 'Last modified', + 10 => 'Source Available', + 14 => 'Abstract', + 8 => 'Statistics', + 11 => 'Linked/Related Resources', + 7 => 'Show resource', + 12 => 'Subject', + 15 => 'Grade Level', + 16 => 'Standards', + ); + my $cell = 0; + my $numinrow = 4; + $r->print(' +
+
+'.$lt{'hd'}.' +'."\n"); + foreach my $item (@disp_order) { + my $style = 'padding-left: 12px; padding-right: 8px;'; + if ($cell%$numinrow == 0) { + $r->print(''); + } + $cell ++; + if ($cell > 3 * $numinrow) { + $style .= ' padding-bottom: 6px;'; + } + if (defined($disp_options{$item})) { + $r->print(''."\n"); + } + if ($cell > 1 && $cell%$numinrow == 0) { + $r->print(''); + } + } + $r->print(< + + + +
'. + '
+ +$type_selector
+ +
+ - -$closebutton -$groupimportbutton -
+$closebutton $groupimportbutton END - + $r->print(&Apache::loncommon::inhibit_menu_check('input')); + +# -------------- Filter out sequence containment in crumbs and "recent folders" + my $storeuri=$uri; + $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1]; + $storeuri=~s/\/+/\//g; +# ---------------------------------------------------------------- Bread crumbs + $r->print( + '

' + .&Apache::lonhtmlcommon::crumbs( + $storeuri, + '', + '', + (($env{'form.catalogmode'} eq 'import')? + 'document.forms.fileattr':'')) + .'
' + .&Apache::lonhtmlcommon::select_recent( + 'residx', + 'resrecent', + 'window.status=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();') + .'

' + ); +# -------------------------------------------------------- Resource Home Button + my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'}; + if ($reshome) { + $r->print("print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();'); + } else { + $r->print($reshome); + } + $r->print("'>".&mt('Home directory').''); + } + $r->print(''); +# ------------------------------------------------------ Remember where we were + &Apache::loncommon::storeresurl($storeuri); + &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri); +# -------------------------------------------------- Check All and Uncheck all + if ($env{'form.catalogmode'} eq 'import') { + $r->print('

'); + $r->print('

'); + } # ----------------- output starting row to the indexed file/directory hierarchy - my $titleclr="#ddffff"; -# $r->print(&initdebug()); -# $r->print(&writedebug("Omit:@Omit")) if (@Omit); -# $r->print(&writedebug("Only:@Only")) if (@Only); - $r->print("
\n"); - $r->print("\n"); - $r->print("\n"); - $r->print("\n") + #$r->print(&initdebug()); + #$r->print(&writedebug("Omit:@Omit")) if (@Omit); + #$r->print(&writedebug("Only:@Only")) if (@Only); + $r->print(&Apache::loncommon::start_data_table("LC_tableBrowseRes") + .&Apache::loncommon::start_data_table_header_row()); + $r->print("\n"); + $r->print("\n"); + $r->print("\n") if ($hash{'display_attrs_0'} == 1); - $r->print("\n") if ($hash{'display_attrs_1'} == 1); - $r->print("\n") + $r->print('\n") if ($hash{'display_attrs_1'} == 1); + $r->print("\n") if ($hash{'display_attrs_2'} == 1); - $r->print("\n") + $r->print("\n") if ($hash{'display_attrs_3'} == 1); - $r->print("\n") + $r->print("\n") if ($hash{'display_attrs_4'} == 1); - $r->print("\n") + $r->print("\n") if ($hash{'display_attrs_5'} == 1); - $r->print("\n") + $r->print("\n") if ($hash{'display_attrs_6'} == 1); - $r->print("\n") - if ($hash{'display_attrs_7'} == 1); - $r->print("\n") + $r->print("\n") if ($hash{'display_attrs_8'} == 1); - $r->print(''); + $r->print("\n") + if ($hash{'display_attrs_10'} == 1); + $r->print("\n") + if ($hash{'display_attrs_11'} == 1); + $r->print("\n") + if ($hash{'display_attrs_7'} == 1); + $r->print("\n") + if ($hash{'display_attrs_12'} == 1); + $r->print("\n") + if ($hash{'display_attrs_13'} == 1); + $r->print("\n") + if ($hash{'display_attrs_14'} == 1); + $r->print("\n") + if ($hash{'display_attrs_15'} == 1); + $r->print("\n") + if ($hash{'display_attrs_16'} == 1); + + $r->print(&Apache::loncommon::end_data_table_header_row()); + + # ----------------- read in what directories have previously been set to "open" - foreach (keys %hash) { + foreach (keys(%hash)) { if ($_ =~ /^diropen_status_/) { my $key = $_; $key =~ s/^diropen_status_//; @@ -461,8 +632,8 @@ END } } - if ($ENV{'form.openuri'}) { # take care of review and refresh options - my $uri=$ENV{'form.openuri'}; + if ($env{'form.openuri'}) { # take care of review and refresh options + my $uri=$env{'form.openuri'}; if (exists($hash{'diropen_status_'.$uri})) { my $cursta = $hash{'diropen_status_'.$uri}; $dirs{$uri} = 'open'; @@ -477,18 +648,16 @@ END } } - my $bredir = $ENV{'form.dirPointer'}; my $toplevel; my $indent = 0; $uri = $uri.'/' if $uri !~ /.*\/$/; - if ($bredir ne 'on') { - $hash{'top.level'} = $uri; - $toplevel = $uri; - - } else { - $toplevel = $hash{'top.level'}; - } + if ($env{'form.dirPointer'} ne 'on') { + $hash{'top.level'} = $uri; + $toplevel = $uri; + } else { + $toplevel = $hash{'top.level'}; + } # -------------------------------- if not at top level, provide an uplink arrow if ($toplevel ne '/res/'){ @@ -496,29 +665,25 @@ END pop @uri_com; my $upone = join('/',@uri_com); my @list = qw (0); - &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list); + &display_line ($r,$defdom,'opened',$upone.'&viewOneUp',0,$upone,@list); $indent = 1; } # -------- recursively go through all the directories and output as appropriate - &scanDir ($r,$toplevel,$indent,\%hash); - -# ---------------------------- embed hidden information useful for group import - $r->print(""); - $r->print(""); + &scanDir ($r,$toplevel,$indent,\%hash,$defdom); # -------------------------------------------------------------- end the tables - $r->print('
NameTitle".&mt('Name')."".&mt('Title')."Size (bytes) ". - "Last accessed'.&mt("Size")." (".&mt("bytes").") ". + "".&mt("Last accessed")."Last modified".&mt("Last modified")."Author(s)".&mt("Author(s)")."Keywords".&mt("Keywords")."Language".&mt("Language")."ResourceUsage Statistics
(Courses/Network Hits)		".&mt("Usage Statistics")."
(". + &mt("Courses/Network Hits").") ".&mt('updated periodically')."
".&mt("Source Available")."".&mt("Linked/Related Resources")."".&mt("Resource")."".&mt("Subject")."".&mt("Notes")."".&mt("Abstract")."".&mt("Grade Level")."".&mt("Standards")."
'); - $r->print('
'); + $r->print(&Apache::loncommon::end_data_table()); + +# ---------------------------- embed hidden information useful for group import + $r->print("
"); + $r->print("
"); # --------------------------------------------------- end the output and return - $r->print(''."\n"); -# } else { -# $r->print('Unable to tie hash to db '. -# 'file'); -# return OK; + $r->print(&Apache::loncommon::end_page()."\n"); } if(! $c->aborted()) { +# write back into the temporary file my %dbfile; if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) { while (my($key,$value) = each(%hash)) { @@ -533,20 +698,35 @@ END # ----------------------------------------------- recursive scan of a directory sub scanDir { - my ($r,$startdir,$indent,$hashref)=@_; + my ($r,$startdir,$indent,$hashref,$defdom)=@_; my $c = $r->connection(); my ($compuri,$curdir); my $dirptr=16384; + my $obs; $indent++; - my %dupdirs = %dirs; my @list=&get_list($r,$startdir); foreach my $line (@list) { return if ($c->aborted()); - my ($strip,$dom,undef,$testdir,undef)=split(/\&/,$line,5); - next if $strip =~ /.*\.meta$/; + #This is a kludge, sorry aboot this + my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); + next if (($strip =~ /\.meta$/) || ($obs)); + if ($dom ne 'domain') { + my ($udom,$uname); + if ($dom eq 'user') { + ($udom) = ($startdir =~ m{^/res/($match_domain)}); + $uname = $strip; + } else { + ($udom,$uname) = ($startdir =~ m{^/res/($match_domain)/($match_courseid)}); + } + if ($udom ne '' && $uname ne '') { + # Don't display "course author" directory. + next if (&Apache::lonnet::is_course($udom.'_'.$uname)); + } + } my (@fileparts) = split(/\./,$strip); if ($hash{'display_attrs_9'} != 1) { + # if not all versions to be shown if (scalar(@fileparts) >= 3) { my $fext = pop @fileparts; my $ov = pop @fileparts; @@ -565,7 +745,7 @@ sub scanDir { $curdir = $startdir; } my $diropen = 'closed'; - if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/)) { + if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) { while (my ($key,$val)= each %dupdirs) { if ($key eq $compuri and $val eq "open") { $diropen = "opened"; @@ -574,8 +754,8 @@ sub scanDir { } } } - &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list); - &scanDir ($r,$compuri,$indent) if $diropen eq 'opened'; + &display_line($r,$defdom,$diropen,$line,$indent,$curdir,$hashref,@list); + &scanDir ($r,$compuri,$indent,undef,$defdom) if $diropen eq 'opened'; } $indent--; } @@ -583,27 +763,77 @@ sub scanDir { # --------------- get complete matched list based on the uri (returns an array) sub get_list { my ($r,$uri)=@_; - my @list; + my @list=(); + my $listerror; + (my $luri = $uri) =~ s/\//_/g; - - if ($ENV{'form.attrs'} eq 'Update Display') { - foreach (keys %hash) { + 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 + $uri=~s/\/$//; + $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1]; + $uri=~s/\/+/\//g; + foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) { + my @ratpart=split(/\:/,$_); + push(@list,&LONCAPA::map::qtescape($ratpart[1])); + } + $hash{'dirlist_files_'.$luri} = join("\n",@list); } else { - @list = &Apache::lonnet::dirlist($uri); - $hash{'dirlist_files_'.$luri} = join('\n',@list); +# is really a directory + (my $listref,$listerror) = &Apache::lonnet::dirlist($uri); + if (ref($listref) eq 'ARRAY') { + @list = @{$listref}; + } + $hash{'dirlist_files_'.$luri} = join("\n",@list); + $hash{'dirlist_timestamp_files_'.$luri} = time; } - return @list=&match_ext($r,@list); +#Checking for error messages associated with empty directories or inaccessible servers (See Bug 4984) + if (($listerror eq 'no_such_dir') || ($listerror eq 'no_such_host') || ($listerror eq 'no_host')) { + $r->print("

" . &mt("Directory does not exist."). "

"); + } elsif ($listerror eq 'con_lost') { + $r->print("

" . &mt("Directory temporarily not accessible."). "

"); + } + + 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 { + my $start_page= + &Apache::loncommon::start_page('Debug',undef, + {'only_body' => 1,}); + $start_page =~ s/\n/ /g; return < + ENDJS } sub writedebug { - my $text = shift; - return ""; + my ($text) = @_; + return ""; } # -------------------- filters out files based on extensions (returns an array) @@ -640,7 +870,7 @@ sub match_ext { next if ($unpackline[0] eq '..'); my @filecom = split (/\./,$unpackline[0]); my $fext = pop(@filecom); - my $fnptr = $unpackline[3]&$dirptr; + my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/); if ($fnptr == 0 and $unpackline[3] ne "") { my $embstyle = &Apache::loncommon::fileembstyle($fext); push @trimlist,$line if (defined($embstyle) && @@ -649,325 +879,601 @@ sub match_ext { push @trimlist,$line; } } - @trimlist = sort (@trimlist); + @trimlist = sort {uc($a) cmp uc($b)} (@trimlist); return @trimlist; } # ------------------------------- displays one line in appropriate table format sub display_line { - my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_; + my ($r,$defdom,$diropen,$line,$indent,$startdir,$hashref,@list)=@_; my (@pathfn, $fndir); +# there could be relative paths (files actually belonging into this directory) +# or absolute paths (for example, from sequences) + my $absolute; + my $pathprefix; + if ($line=~m|^/res/| && $startdir ne '') { + $absolute=1; + $pathprefix=''; + } else { + $absolute=0; + $pathprefix=$startdir; + } my $dirptr=16384; - my $fileclr="#ffffe6"; +#SB my $fileclr="#ffffe6"; my $iconpath= $r->dir_config('lonIconsURL') . '/'; my @filecom = split (/\&/,$line); my @pathcom = split (/\//,$filecom[0]); my $listname = $pathcom[scalar(@pathcom)-1]; my $fnptr = $filecom[3]&$dirptr; - my $msg = 'View '.$filecom[0].' resources'; - $msg = 'Close '.$filecom[0].' directory' if $diropen eq 'opened'; + my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources'); + $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened'; + my $nowOpen = ($diropen eq 'opened' ? 1 : 0); my $tabtag=''; my $i=0; - - while ($i<=8) { + while ($i<=16) { $tabtag=join('',$tabtag," ") - if $hash{'display_attrs_'.$i} == 1; + if ($i != 9 && + $hash{'display_attrs_'.$i} == 1); $i++; } - my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom'); # display uplink arrow if ($filecom[1] eq 'viewOneUp') { - $r->print("$extrafield"); + my $updir=$startdir; +# -------------- Filter out sequence containment in crumbs and "recent folders" + $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1]; + $updir=~s/\/+/\//g; + +#SB $r->print("$extrafield"); + $r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!? + $r->print($extrafield); $r->print("\n"); - $r->print ('
'."\n"); - $r->print (''."\n"); - $r->print (''."\n"); - $r->print ('print (' name="'.$msg.'" height="22" type="image" border="0">'. + $r->print(&Apache::loncommon::inhibit_menu_check('input')); + $r->print (''."\n"); + $r->print (''."\n"); + $r->print ('print (' alt="'.$msg.'" class="LC_fileicon" />'. "\n"); - $r->print("Up $tabtag\n"); + $r->print(&mt("Up")."
$tabtag"); + $r->print(&Apache::loncommon::end_data_table_row()); return OK; } # Do we have permission to look at this? + if($filecom[15] ne '1') { return OK if ((!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])) && (!&Apache::lonnet::allowed('bro',$pathprefix.$filecom[0]))); } - return OK if (!&Apache::lonnet::allowed('bre',$startdir.$filecom[0])); + if (($filecom[1] eq 'domain') && ($defdom ne $listname)) { + unless (&Apache::lonnet::will_trust('shared',$listname,$defdom)) { + return OK; + } + unless (&Apache::lonnet::will_trust('content',$defdom,$listname)) { + return OK; + } + } + +# make absolute links appear on different background +#SB if ($absolute) { $fileclr='#ccdd99'; } # display domain if ($filecom[1] eq 'domain') { - $r->print (''."\n") - if ($ENV{'form.dirPointer'} eq "on"); - $r->print("$extrafield"); + $r->print (''."\n") + if ($env{'form.dirPointer'} eq "on"); +#SB $r->print("$extrafield"); + $r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?" + $r->print($extrafield); $r->print(""); &begin_form ($r,$filecom[0]); my $anchor = $filecom[0]; - $anchor =~ s/\///g; - $r->print (''); - $r->print (''); - $r->print ('print (' name="'.$msg.'" height="22" type="image" border="0">'. + $anchor =~ s/\W//g; + $r->print (''); +$r->print (''); + $r->print ('print (' alt="'.$msg.'" class="LC_fileicon" />'. "\n"); - $r->print ('print (' border="0" />'."\n"); - $r->print ("Domain - $listname "); - if ($Apache::lonnet::domaindescription{$listname}) { - $r->print("(".$Apache::lonnet::domaindescription{$listname}. + my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]); + $r->print ('print (' class="LC_fileicon" />'."\n"); + $r->print (&mt("Domain")." - $listname "); + if (&Apache::lonnet::domain($listname,'description')) { + $r->print("
(".&Apache::lonnet::domain($listname,'description'). ")"); } - $r->print (" $tabtag\n"); + $r->print("$tabtag"); + $r->print(&Apache::loncommon::end_data_table_row()); return OK; # display user directory } + if ($filecom[1] eq 'user') { - $r->print("$extrafield"); - $r->print("\n"); + my $domain=(split(m|/|,$startdir))[2]; + if ($defdom ne $domain) { + unless (&Apache::lonnet::will_trust('shared',$domain,$defdom)) { + return OK; + } + unless (&Apache::lonnet::will_trust('content',$defdom,$domain)) { + return OK; + } + } + # $r->print("$extrafield"); my $curdir = $startdir.$filecom[0].'/'; my $anchor = $curdir; - $anchor =~ s/\///g; + $anchor =~ s/\W//g; +#SB $r->print("$extrafield"); + $r->print(&Apache::loncommon::start_data_table_row() + .$extrafield.''); &begin_form ($r,$curdir); - $r->print (''."\n"); - $r->print (''); - $r->print ('print (' name="'.$msg.'" height="22" type="image" border="0">'. + $r->print (''."\n"); + $r->print (''); + $r->print (''); + $r->print ('print (' alt="'.$msg.'"/>'. "\n"); - $r->print (''); + my $quotable_curdir = &Apache::loncommon::escape_single($curdir); + my $quotable_startdir = &Apache::loncommon::escape_single($startdir); + my $quotable_listname = &Apache::loncommon::escape_single($listname); + + $r->print (''.$msg.''); my $domain=(split(m|/|,$startdir))[2]; my $plainname=&Apache::loncommon::plainname($listname,$domain); - $r->print ($listname); - if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); } - $r->print ($tabtag.''."\n"); - return OK; + $r->print ($listname.''); + + if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); } +# Wishlistlink + $r->print(''. + ''.$tabtag); + $r->print(&Apache::loncommon::end_data_table_row()); + return OK; } # display file - if ($fnptr == 0 and $filecom[3] ne '') { - my $filelink = $startdir.$filecom[0]; - my @file_ext = split (/\./,$listname); - my $curfext = $file_ext[-1]; - if (@Omit) { - foreach (@Omit) { return OK if ($curfext eq $_); } - } - if (@Only) { - my $skip = 1; - foreach (@Only) { $skip = 0 if ($curfext eq $_); } - return OK if ($skip > 0); - } - # Set the icon for the file - my $iconname = "unknown.gif"; - my $embstyle = &Apache::loncommon::fileembstyle($curfext); - # The unless conditional that follows is a bit of overkill - $iconname = $curfext.".gif" unless - (!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn'); - # - $r->print(""); - my $metafile = grep /^\Q$filecom[0]\E\.meta\&/, @list; - 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); - $titleesc=~s/\'/\\'/; #' (clean up this spare quote) + if (($fnptr == 0 and $filecom[3] ne '') or $absolute) { + my $title; + my $filelink = $pathprefix.$filecom[0]; + if ($hash{'display_attrs_0'} == 1) { + $title = &Apache::lonnet::gettitle($filelink); + } + my @file_ext = split (/\./,$listname); + my $curfext = $file_ext[-1]; + if (@Omit) { + foreach (@Omit) { return OK if (lc($curfext) eq $_); } + } + if (@Only) { + my $skip = 1; + foreach (@Only) { $skip = 0 if (lc($curfext) eq $_); } + return OK if ($skip > 0); + } + # Set the icon for the file + my $iconname = &Apache::loncommon::icon($listname); +#SB $r->print("); + $r->print(&Apache::loncommon::start_data_table_row()); #SB valign="$valign" ?!? + $r->print(''); + + if ($env{'form.catalogmode'} eq 'interactive') { + my $quotable_filelink = &Apache::loncommon::escape_single($filelink); $r->print(""); - $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"); + $r->print(''); + } elsif ($env{'form.catalogmode'} eq 'import') { + $r->print("\n"); $r->print("print("checked"); } - $r->print(">\n"); - $r->print("\n"); - $r->print("
\n"); - $r->print(""); + $r->print(" />\n"); + $r->print(''); $hash{"pre_${fnum}_link"}=$filelink; - $hash{"pre_${fnum}_title"}=$titleesc; + $hash{"pre_${fnum}_title"}=$title; + if (!$hash{"pre_${fnum}_title"}) { + $hash{"pre_${fnum}_title"} = 'Not_retrieved'; + } $fnum++; } - - if ($indent > 0 and $indent < 11) { - $r->print("\n"); - } elsif ($indent >0) { - my $ten = int($indent/10.); - my $rem = $indent%10.0; +# Form to open or close sequences + if ($filelink=~/\.(page|sequence)$/) { + my $curdir = $startdir.$filecom[0].'/'; + &begin_form($r,$curdir); + $indent--; + } +# General indentation my $count = 0; - while ($count < $ten) { - $r->print("\n"); - $count++; + while ($count < $indent) { + $r->print(''); + $count++; } - $r->print("\n") if $rem > 0; +# Sequence open/close icon + if ($filelink=~/\.(page|sequence)$/) { + my $curdir = $startdir.$filecom[0].'/'; + my $anchor = $curdir; + $anchor =~ s/\W//g; + $r->print (''); + $r->print (''); + $r->print (''); + $r->print ('print (' alt="'.$msg.'" />'. + "\n"); + } +# Filetype icons + $r->print("\"\"\n"); + my $quotable_filelink = &Apache::loncommon::escape_single($filelink); + my $quotable_startdir = Apache::loncommon::escape_single($startdir); + my $quotable_listname = &Apache::loncommon::escape_single($listname); + + $r->print (" $listname "); + $quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta'); + &Apache::loncommon::inhibit_menu_check(\$quotable_filelink); + $r->print (" (".&mt('metadata').") "); +# Close form to open/close sequence + if ($filelink=~/\.(page|sequence)$/) { + $r->print(''); } - - $r->print("\n"); - $r->print (" $listname "); - - $r->print (" (metadata) ") if ($metafile == 1); - $r->print("\n"); +# Wishlistlink + $r->print(''. + ''); if ($hash{'display_attrs_0'} == 1) { - my $title = &Apache::lonnet::gettitle($filelink,'title') - if ($metafile == 1); $r->print(' '.($title eq '' ? ' ' : $title). ' '."\n"); } - $r->print(' ', + $r->print(' ', $filecom[8]," \n") if $hash{'display_attrs_1'} == 1; - $r->print(' '. - (localtime($filecom[9]))." \n") + $r->print(' '. + (&Apache::lonlocal::locallocaltime($filecom[9]))." \n") if $hash{'display_attrs_2'} == 1; - $r->print(' '. - (localtime($filecom[10]))." \n") + $r->print(' '. + (&Apache::lonlocal::locallocaltime($filecom[10]))." \n") if $hash{'display_attrs_3'} == 1; if ($hash{'display_attrs_4'} == 1) { - my $author = &Apache::lonnet::metadata($filelink,'author') - if ($metafile == 1); - $r->print(' '.($author eq '' ? ' ' : $author). + my $author = &Apache::lonnet::metadata($filelink,'author'); + $r->print(' '.($author eq '' ? ' ' : $author). " \n"); } if ($hash{'display_attrs_5'} == 1) { - my $keywords = &Apache::lonnet::metadata($filelink,'keywords') - if ($metafile == 1); + my $keywords = &Apache::lonnet::metadata($filelink,'keywords'); # $keywords = ' ' if (!$keywords); $r->print(' '.($keywords eq '' ? ' ' : $keywords). " \n"); } + if ($hash{'display_attrs_6'} == 1) { - my $lang = &Apache::lonnet::metadata($filelink,'language') - if ($metafile == 1); + my $lang = &Apache::lonnet::metadata($filelink,'language'); $lang = &Apache::loncommon::languagedescription($lang); $r->print(' '.($lang eq '' ? ' ' : $lang). " \n"); } - if ($hash{'display_attrs_7'} == 1) { - my $output=''; - my $embstyle=&Apache::loncommon::fileembstyle($curfext); - if ($embstyle eq 'ssi') { - $output=&Apache::lonnet::ssi_body($filelink); - $output=''.$output.''; - } elsif ($embstyle eq 'img') { - $output=''; - } elsif ($filelink=~/^\/res\/(\w+)\/(\w+)\//) { - $output=''; - } - $r->print(' '.($output eq '' ? ' ':$output). - " \n"); - } if ($hash{'display_attrs_8'} == 1) { - my (%stat) = &Apache::lonmeta::dynamicmeta($filelink) if ($metafile == 1); - my $stat = (exists($stat{'course'}) ? $stat{'course'} : ''). - ((exists($stat{'course'}) || exists($stat{'count'})) ? '/' : ''). - (exists($stat{'count'}) ? $stat{'count'} : ''); - $r->print(' '.($stat eq '' ? ' ' : $stat). - ' '."\n"); - } +# statistics + &dynmetaread($filelink); + $r->print(""); + + for (qw(count course stdno avetries difficulty disc clear technical + correct helpful depth)) { + + dynmetaprint($r,$filelink,$_); + } - $r->print("\n"); + $r->print(" \n"); + + } + if ($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 $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink); + &Apache::loncommon::inhibit_menu_check(\$quotable_sourcelink); + $r->print(''."".&mt('Source Code')." "."\n"); + } else { #A cuddled else. :P + $r->print(" \n"); + } + } + if ($hash{'display_attrs_11'} == 1) { +# links + &dynmetaread($filelink); + $r->print(''); + &coursecontext($r,$filelink); + for (qw(goto_list comefrom_list sequsage_list dependencies course_list)) { + dynmetaprint($r,$filelink,$_); + } + $r->print(''); + } + + + + if ($hash{'display_attrs_7'} == 1) { +# Show resource + my $output=&showpreview($filelink); + $r->print(''.($output eq '' ? ' ':$output). + " \n"); } + + if ($hash{'display_attrs_12'} == 1) { + my $subject = &Apache::lonnet::metadata($filelink,'subject'); + $r->print(' '.($subject eq '' ? ' ' : $subject). + " \n"); + } + + if ($hash{'display_attrs_13'} == 1) { + my $notes = &Apache::lonnet::metadata($filelink,'notes'); + $r->print(' '.($notes eq '' ? ' ' : $notes). + " \n"); + } + + if ($hash{'display_attrs_14'} == 1) { + my $abstract = &Apache::lonnet::metadata($filelink,'abstract'); + $r->print(' '.($abstract eq '' ? ' ' : $abstract). + " \n"); + } + + if ($hash{'display_attrs_15'} == 1) { + my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel'); + $r->print(' '.($gradelevel eq '' ? ' ' : $gradelevel). + " \n"); + } + + if ($hash{'display_attrs_16'} == 1) { + my $standards = &Apache::lonnet::metadata($filelink,'standards'); + $r->print(' '.($standards eq '' ? ' ' : $standards). + " \n"); + } + + $r->print(&Apache::loncommon::end_data_table_row()); +} + + # -- display directory if ($fnptr == $dirptr) { - my @file_ext = split (/\./,$listname); - my $curfext = $file_ext[scalar(@file_ext)-1]; my $curdir = $startdir.$filecom[0].'/'; my $anchor = $curdir; - $anchor =~ s/\///g; - $r->print("$extrafield"); + $anchor =~ s/\W//g; +#SB $r->print("$extrafield"); + $r->print(&Apache::loncommon::start_data_table_row()); # SB: bgcolor suggestion: darkgrey ("LC_info_row"?!?) +# $r->print(''); + $r->print($extrafield.''); &begin_form ($r,$curdir); my $indentm1 = $indent-1; - if ($indentm1 < 11 and $indentm1 > 0) { - $r->print("\n"); - } else { - my $ten = int($indentm1/10.); - my $rem = $indentm1%10.0; - my $count = 0; - while ($count < $ten) { - $r->print ("\n"); - $count++; - } - $r->print ("\n") if $rem > 0; - } - $r->print (''); - $r->print ('print (' name="'.$msg.'" height="22" type="image" border="0">'. + my $count = 0; + while ($count < $indentm1) { + $r->print (''); + $count++; + } + $r->print (''); + $r->print (''); + $r->print ('print (' alt="'.$msg.'" class="LC_fileicon" />'. "\n"); - $r->print (''. - "\n"); - $r->print ("$listname$tabtag\n"); + my $quotable_curdir = &Apache::loncommon::escape_single($curdir); + my $quotable_startdir = &Apache::loncommon::escape_single($startdir); + my $quotable_listname = &Apache::loncommon::escape_single($listname); + + my $location = &Apache::loncommon::lonhttpdurl("/adm/lonIcons"); + my $icon = "navmap.folder.".($nowOpen ? "open":"closed").'.gif'; + $r->print ('' + .''.&mt('Open Folder').'' + ."\n"); + $r->print ("$listname"); +# Wishlistlink + $r->print(''. + ''); +# Attributes + my $filelink = $startdir.$filecom[0].'/default'; + + if ($hash{'display_attrs_0'} == 1) { + my $title = &Apache::lonnet::gettitle($filelink); + $r->print(' '.($title eq '' ? ' ' : $title). + ' '."\n"); + } + $r->print(' ', + $filecom[8]," \n") + if $hash{'display_attrs_1'} == 1; + $r->print(' '. + (&Apache::lonlocal::locallocaltime($filecom[9]))." \n") + if $hash{'display_attrs_2'} == 1; + $r->print(' '. + (&Apache::lonlocal::locallocaltime($filecom[10]))." \n") + if $hash{'display_attrs_3'} == 1; + + if ($hash{'display_attrs_4'} == 1) { + my $author = &Apache::lonnet::metadata($filelink,'author'); + $r->print(' '.($author eq '' ? ' ' : $author). + " \n"); + } + if ($hash{'display_attrs_5'} == 1) { + my $keywords = &Apache::lonnet::metadata($filelink,'keywords'); + # $keywords = ' ' if (!$keywords); + $r->print(' '.($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) { + $r->print(' '); + } + if ($hash{'display_attrs_10'} == 1) { + $r->print(' '); + } + if ($hash{'display_attrs_7'} == 1) { + $r->print(' '); + } + if ($hash{'display_attrs_11'} == 1) { + $r->print(' '); + } + if ($hash{'display_attrs_12'} == 1) { + my $subject = &Apache::lonnet::metadata($filelink,'subject'); + $r->print(' '.($subject eq '' ? ' ' : $subject). + " \n"); + } + if ($hash{'display_attrs_13'} == 1) { + my $notes = &Apache::lonnet::metadata($filelink,'notes'); + $r->print(' '.($notes eq '' ? ' ' : $notes). + " \n"); + } + + if ($hash{'display_attrs_14'} == 1) { + my $abstract = &Apache::lonnet::metadata($filelink,'abstract'); + $r->print(' '.($abstract eq '' ? ' ' : $abstract). + " \n"); + } + + if ($hash{'display_attrs_15'} == 1) { + my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel'); + $r->print(' '.($gradelevel eq '' ? ' ' : $gradelevel). + " \n"); + } + + if ($hash{'display_attrs_16'} == 1) { + my $standards = &Apache::lonnet::metadata($filelink,'standards'); + $r->print(' '.($standards eq '' ? ' ' : $standards). + " \n"); + } + + + $r->print(&Apache::loncommon::end_data_table_row()); + } + +} + +sub coursecontext { + my ($r,$filelink)=@_; + my $filesymb=&Apache::lonnet::symbread($filelink); + if ($filesymb) { + my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb); + $r->print( + &mt('Already in this course:').'
' + .&mt('[_1] in folder/map [_2]', + &Apache::lonnet::gettitle($resource), + &Apache::lonnet::gettitle($map)) + .'
'); } +} +sub showpreview { + my ($filelink)=@_; + if ($filelink=~m-^(/ext/|https?://)-) { + return &mt('External Resource, preview not enabled'); + } + my ($curfext)=($filelink=~/\.(\w+)$/); + my $output=''; + my $embstyle=&Apache::loncommon::fileembstyle($curfext); + if ($embstyle eq 'ssi') { + my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink. + '.tmp'; + if ((!$env{'form.updatedisplay'}) && + (-e $cache)) { + open(FH,$cache); + $output=join("\n",); + close(FH); + } else { +# In update display mode, remove old cache. This is done to retroactively +# clean up course context renderings. + if (-e $cache) { + unlink($cache); + } + $output=&Apache::lonnet::ssi_body($filelink); +# Is access denied? Don't render, don't store + if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) { + $output=''; +# Was this rendered in course content? Don't store + } elsif (!&Apache::lonnet::symbread($filelink)) { + open(FH,">$cache"); + print FH $output; + close(FH); + } + } + } elsif ($embstyle eq 'img') { + $output=''.&mt('Preview').''; + } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) { + $output=''.&mt('Preview').''; + } + return $output; +} + +sub dynmetaprint { + my ($r,$filelink,$item)=@_; + if ($dynhash{$filelink}->{$item}) { + $r->print("\n
".$fieldnames{$item}.': '. + &Apache::lonmeta::prettyprint($item, + $dynhash{$filelink}->{$item}, + (($env{'form.catalogmode'} ne 'import')?'preview':''), + '', + (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1)); + } } # ------------------- prints the beginning of a form for directory or file link sub begin_form { my ($r,$uri) = @_; my $anchor = $uri; - $anchor =~ s/\///g; + $anchor =~ s/\W//g; + $uri=&Apache::loncommon::escape_single($uri); $r->print ('
'."\n"); - $r->print (''. + $r->print (''. "\n"); - $r->print (''."\n"); + $r->print (''."\n"); + $r->print(&Apache::loncommon::inhibit_menu_check('input')); $dnum++; } # --------- settings whenever the user causes the indexer window to be launched sub start_fresh_session { - delete $hash{'form.catalogmode'}; - delete $hash{'form.mode'}; - delete $hash{'form.form'}; - delete $hash{'form.element'}; - delete $hash{'form.omit'}; - delete $hash{'form.only'}; - foreach (keys %hash) { - delete $hash{$_} if (/^(pre_|store)/); + my ($hash) = @_; + delete $hash->{'form.catalogmode'}; + delete $hash->{'form.mode'}; + delete $hash->{'form.form'}; + delete $hash->{'form.element'}; + delete $hash->{'form.omit'}; + delete $hash->{'form.only'}; + foreach (keys(%{$hash})) { + delete $hash->{$_} if (/^(pre_|store)/); } } @@ -990,8 +1496,13 @@ sub cleanup { if (tied(%hash)){ &Apache::lonnet::logthis('Cleanup indexer: hash'); } + return OK; } + + + + =head1 NAME Apache::lonindexer - mod_perl module for cross server filesystem browsing @@ -1012,18 +1523,6 @@ This module enables a scheme of browsing This is part of the LearningOnline Network with CAPA project described at http://www.lon-capa.org. -=head1 BEGIN SUBROUTINE - -This routine is only run once after compilation. - -=over 4 - -=item * - -Initializes %language hash table. - -=back - =head1 HANDLER SUBROUTINE This routine is called by Apache and mod_perl. 500 Internal Server Error

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