--- loncom/interface/lonindexer.pm 2001/06/02 16:57:35 1.9 +++ loncom/interface/lonindexer.pm 2001/10/16 17:03:45 1.20 @@ -1,16 +1,21 @@ # The LearningOnline Network with CAPA +# # Directory Indexer -# (Login Screen -# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14 Gerd Kortemeyer) +# +# 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 -# 05/31/2001 Scott Harrison -# 06/01/2001 Scott Harrison -# 06/02/2001 Scott Harrison +# 5/31,6/1,6/2,6/15 Scott Harrison +# 6/26,7/8 H. K. Ng +# 8/6,8/7,8/10 Scott Harrison +# 8/14 H. K. Ng +# 8/28 Scott Harrison package Apache::lonindexer; @@ -20,27 +25,37 @@ use Apache::Constants qw(:common); use Apache::File; use GDBM_File; -my %hash; -my %dirs; -my %language; -my $hidden; -my $extrafield; -my $fnum; +my %hash; # tied to a 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 + +# ----- Values which are set by the handler subroutine and are accessible to +# ----- other methods. +my $extrafield; # default extra table cell +my $fnum; # file counter +my $dnum; # directory counter + +# ---------------------------------------------------------------------- BEGIN sub BEGIN { - my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/language.tab'); + my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. + '/language.tab'); map { $_=~/(\w+)\s+([\w\s\-]+)/; $language{$1}=$2; } <$fh>; } +# ---------------------------------------------------------------- Main Handler sub handler { my $r = shift; $r->content_type('text/html'); $r->send_http_header; return OK if $r->header_only; $fnum=0; - my $iconpath= $r->dir_config('lonIconsURL'); + $dnum=0; + +# --------------------------------------------- machine configuration variables + my $iconpath= $r->dir_config('lonIconsURL') . "/"; my $domain = $r->dir_config('lonDefDomain'); my $role = $r->dir_config('lonRole'); my $loadlim = $r->dir_config('lonLoadLim'); @@ -49,99 +64,73 @@ sub handler { my $lonhost = $r->dir_config('lonHostID'); my $tabdir = $r->dir_config('lonTabDir'); - my $iconpath='/res/adm/pages/indexericons/'; my $fileclr='#ffffe6'; + my $line; + my (@attrchk,@openpath); + my $uri=$r->uri; + # -------------------------------------- see if called from an interactive mode - map { - my ($name, $value) = split(/=/,$_); - $value =~ tr/+/ /; - $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - if ($name eq 'catalogmode') { - $ENV{'form.'.$name}=$value; - } - } (split(/&/,$ENV{'QUERY_STRING'})); + &get_unprocessed_cgi(); - $hidden=''; my $closebutton=''; + my $closebutton=''; my $groupimportbutton=''; my $colspan=''; - if ($ENV{'form.catalogmode'} eq 'interactive') { - $extrafield=''. - ''; - $colspan=" colspan='2' "; - $hidden=< -END - $closebutton=<'. + ''; + $colspan=" colspan='2' "; + $closebutton=< END - } - elsif ($ENV{'form.catalogmode'} eq 'groupimport') { - $extrafield=''. - ''; - $colspan=" colspan='2' "; - $hidden=< -END - $closebutton=<'. + ''; + $colspan=" colspan='2' "; + $closebutton=< END - $groupimportbutton=< + $groupimportbutton=< END - } + } - my $catalogmodefunctions=''; - if ($ENV{'form.catalogmode'} eq 'interactive' or - $ENV{'form.catalogmode'} eq 'groupimport') { - $catalogmodefunctions=<print(<print(< The LearningOnline Network With CAPA Directory Browser - +function gothere(val) { + window.location=val+'?acts='+document.forms.fileattr.acts.value; +} + ENDHEADER - my $line; - my (@attrchk,@openpath); - my $uri=$r->uri; - - $r->print("

The LearningOnline With CAPA Network Directory Browser

\n"); - - my $diropen = "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db"; - - if (tie(%hash,'GDBM_File',$diropen,&GDBM_WRCREAT,0640)) { - +# - 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 $ac=0; + # some initial hashes for working with data + map { + my ($state,$ref)=split(/a/); + $ahash{$ref}=$state; + $achash{$ref}=$ac; + $ac++; + } (@Acts); + # sorting through the actions and changing the tied database hash + map { + 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_'.$key.'_link'}}; + } + } + } sort {$achash{$a}<=>$achash{$b}} (keys %ahash); + # deleting the previously cached listing + map { + if ($_ =~ /^pre_/ && $_ =~/link$/) { + my $key = $_; + $key =~ s/^pre_//; + $key =~ s/_[^_]*$//; + delete $hash{'pre_'.$key.'_title'}; + delete $hash{'pre_'.$key.'_link'}; + } + } keys %hash; + } + +# output title + $r->print('

The LearningOnline With CAPA '. + 'Network Directory Browser

'."\n"); +# get state of file attributes to be showing if ($ENV{'form.attrs'} ne "") { - for (my $i=0; $i<=5; $i++) { + for (my $i=0; $i<=6; $i++) { delete $hash{'display_attrs_'.$i}; if ($ENV{'form.attr'.$i} == 1) { $attrchk[$i] = "checked"; @@ -196,42 +244,55 @@ ENDHEADER } } } else { - for (my $i=0; $i<=5; $i++) { + for (my $i=0; $i<=6; $i++) { $attrchk[$i] = "checked" if $hash{'display_attrs_'.$i} == 1; } } - $r->print(<Display file attributes
-
+# output state of file attributes to be showing + $r->print(<Display file attributes
+ - - - + + + + - - - + + + +
Size Last access Last modified Size Last access Last modified All versions
Author Keywords Language Author Keywords Language 
-  - -$hidden + + +  + $closebutton $groupimportbutton END - my $titleclr="#ddffff"; - $r->print(""; my $i=0; while ($i<=5) { -# my $key="form.attr".$i; -# $tabtag=join('',$tabtag,"") if $ENV{$key} == 1; - $tabtag=join('',$tabtag,"") if $hash{'display_attrs_'.$i} == 1; + $tabtag=join('',$tabtag,"") + if $hash{'display_attrs_'.$i} == 1; $i++; } + +# display uplink arrow + if ($filecom[1] eq "viewOneUp") { + $r->print("$extrafield"); + $r->print("\n"); + return OK; + } + +# display domain if ($filecom[1] eq "domain") { + $r->print (''."\n") + if ($ENV{'form.dirPointer'} eq "on"); $r->print("$extrafield"); $r->print("\n"); return OK; + +# display user directory } if ($filecom[1] eq "user") { $r->print("$extrafield"); - $r->print("\n"); + &begin_form ($r,$curdir); + $r->print (''."\n"); + $r->print (''); + $r->print ('print (' name="'.$msg.'" height="22" type="image" border="0">'. + "\n"); + $r->print (''); + $r->print ($listname.$tabtag.''."\n"); return OK; } + # display file if ($fnptr == 0 and $filecom[3] ne "") { my @file_ext = split (/\./,$listname); @@ -435,7 +572,8 @@ sub display_line{ $title=$listname unless $title; $r->print(""); - $r->print("\n"); + $r->print("". + "\n"); $r->print("\n"); -# $r->print("\n") if $ENV{'form.attr0'} == 1; - $r->print("\n") if $hash{'display_attrs_0'} == 1; - $r->print("\n") if $hash{'display_attrs_1'} == 1; - $r->print("\n") if $hash{'display_attrs_2'} == 1; + $r->print("\n") + if $hash{'display_attrs_0'} == 1; + $r->print("\n") + if $hash{'display_attrs_1'} == 1; + $r->print("\n") + if $hash{'display_attrs_2'} == 1; if ($hash{'display_attrs_3'} == 1) { - my $author = &Apache::lonnet::metadata($filelink,'author') if ($metafile == 1); + my $author = &Apache::lonnet::metadata($filelink,'author') + if ($metafile == 1); $author = ' ' if (!$author); - $r->print("\n"); + $r->print("\n"); } if ($hash{'display_attrs_4'} == 1) { - my $keywords = &Apache::lonnet::metadata($filelink,'keywords') if ($metafile == 1); + my $keywords = &Apache::lonnet::metadata($filelink,'keywords') + if ($metafile == 1); $keywords = ' ' if (!$keywords); - $r->print("\n"); + $r->print("\n"); } if ($hash{'display_attrs_5'} == 1) { - my $lang = &Apache::lonnet::metadata($filelink,'language') if ($metafile == 1); + my $lang = &Apache::lonnet::metadata($filelink,'language') + if ($metafile == 1); $lang = $language{$lang}; $lang = ' ' if (!$lang); - $r->print("\n"); + $r->print("\n"); } $r->print("\n"); } + # -- display directory if ($fnptr == $dirptr) { my @file_ext = split (/\./,$listname); @@ -505,40 +669,73 @@ sub display_line{ $r->print("$extrafield\n"); + $r->print (''); + $r->print ('print (' name="'.$msg.'" height="22" type="image" border="0">'. + "\n"); + $r->print (''. + "\n"); + $r->print ("$listname$tabtag\n"); } } -#---------------------prints the beginning of a form for directory or file link +# ------------------- prints the beginning of a form for directory or file link sub begin_form { my ($r,$uri) = @_; my $anchor = $uri; $anchor =~ s/\///g; - $r->print ("\n"); - $r->print ("$hidden\n"); + $r->print (''."\n"); + $r->print (''. + "\n"); + $r->print (''."\n"); + $dnum++; +} + +# ----------- grab unprocessed CGI variables that may have been appended to URL +sub get_unprocessed_cgi { + map { + my ($name, $value) = split(/=/,$_); + $value =~ tr/+/ /; + $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; + if ($name eq 'catalogmode' or $name eq 'launch' or $name eq 'acts') { + $ENV{'form.'.$name}=$value; + } + } (split(/&/,$ENV{'QUERY_STRING'})); +} -# for (my $i=0; $i<=5; $i++) { -# $r->print ("\n") if $ENV{'form.attr'.$i} == 1; -# } +# --------- settings whenever the user causes the indexer window to be launched +sub start_fresh_session { + delete $hash{'mode_catalog'}; + map { + if ($_ =~ /^pre_/) { + delete $hash{$_}; + } + if ($_ =~ /^store/) { + delete $hash{$_}; + } + } keys %hash; } 1;
\n"); - $r->print("\n"); - $r->print("\n"); - $r->print("\n") if ($hash{'display_attrs_0'} == 1); - $r->print("\n") if ($hash{'display_attrs_1'} == 1); - $r->print("\n") if ($hash{'display_attrs_2'} == 1); - $r->print("\n") if ($hash{'display_attrs_3'} == 1); - $r->print("\n") if ($hash{'display_attrs_4'} == 1); - $r->print("\n") if ($hash{'display_attrs_5'} == 1); - $r->print(""); + # output starting row to the indexed file/directory hierarchy + my $titleclr="#ddffff"; + $r->print("
NameSize (bytes) Last accessedLast modifiedAuthor(s)KeywordsLanguage
\n"); + $r->print("\n"); + $r->print("\n"); + $r->print("\n") if ($hash{'display_attrs_0'} == 1); + $r->print("\n") + if ($hash{'display_attrs_1'} == 1); + $r->print("\n") + if ($hash{'display_attrs_2'} == 1); + $r->print("\n") + if ($hash{'display_attrs_3'} == 1); + $r->print("\n") + if ($hash{'display_attrs_4'} == 1); + $r->print("\n") + if ($hash{'display_attrs_5'} == 1); + $r->print(""); + # read in what directories have previously been set to "open" map { if ($_ =~ /^diropen_status_/) { my $key = $_; @@ -255,27 +316,56 @@ END $dirs{$uri} = 'open'; } } - - my $toplevel = "/res/"; + + my $bredir = $ENV{'form.dirPointer'}; + my $toplevel; my $indent = 0; - &scanDir ($r,$toplevel,$indent); + $uri = $uri.'/' if $uri !~ /.*\/$/; + if ($bredir 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/"){ + my (@uri_com) = split(/\//,$uri); + pop @uri_com; + my $upone = join('/',@uri_com); + my @list = qw (0); + &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list); + $indent = 1; + } + + # recursively go through all the directories and output as appropriate + &scanDir ($r,$toplevel,$indent,\%hash); + + # information useful for group import $r->print(""); $r->print(""); + + # end the tables $r->print("
NameSize (bytes) ". + "Last accessedLast modifiedAuthor(s)KeywordsLanguage
"); $r->print("
"); + + # end the output and return $r->print("\n"); untie(%hash); } else { - $r->print("Unable to tie hash to db file"); + $r->print('Unable to tie hash to db '. + 'file'); + return OK; } return OK; } -# --------------------recursive scan of a directory +# ----------------------------------------------- recursive scan of a directory sub scanDir { - my ($r,$startdir,$indent)=@_; + my ($r,$startdir,$indent,$hashref)=@_; my ($compuri,$curdir); my $dirptr=16384; $indent++; @@ -285,29 +375,40 @@ sub scanDir { foreach my $line (@list) { my ($strip,$dom,$foo,$testdir,$foo)=split(/\&/,$line,5); next if $strip =~ /.*\.meta$/; + my (@fileparts) = split(/\./,$strip); + if ($hash{'display_attrs_6'} != 1) { + if (scalar(@fileparts) >= 3) { + my $fext = pop @fileparts; + my $ov = pop @fileparts; + my $fname = join ('.',@fileparts,$fext); + next if (grep /$fname/,@list and $ov =~ /\d+/); + } + } + if ($dom eq "domain") { - $compuri = join('',$strip,"/"); # domain list has /res/ + $compuri = join('',$strip,"/"); # dom list has /res/ $curdir = $compuri; } else { - $compuri = join('',$startdir,$strip,"/"); # user, dir & file having name only, i.e., w/o path + # user, dir & file have name only, i.e., w/o path + $compuri = join('',$startdir,$strip,"/"); $curdir = $startdir; } - my $diropen = 0; + my $diropen = "closed"; if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/)) { while (my ($key,$val)= each %dupdirs) { if ($key eq $compuri and $val eq "open") { - $diropen = 1; + $diropen = "opened"; delete $dupdirs{key},$dirs{$key}; } } } - &display_line($r,$diropen,$line,$indent,$curdir,@list); - &scanDir ($r,$compuri,$indent) if $diropen == 1; + &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list); + &scanDir ($r,$compuri,$indent) if $diropen eq "opened"; } $indent--; } -# ----------------- get complete matched list based on the uri ------ +# --------------- get complete matched list based on the uri (returns an array) sub get_list { my ($r,$uri)=@_; my @list; @@ -329,7 +430,7 @@ sub get_list { return @list=&match_ext($r,@list); } -#-------------------------- filters out files based on extensions +# -------------------- filters out files based on extensions (returns an array) sub match_ext { my ($r,@packlist)=@_; my @trimlist; @@ -338,7 +439,7 @@ sub match_ext { my $dirptr=16384; my $tabdir = $r->dir_config('lonTabDir'); - my $fn = $tabdir."/filetypes.tab"; + my $fn = $tabdir.'/filetypes.tab'; if (-e $fn) { my $FH=Apache::File->new($fn); my @content=<$FH>; @@ -368,58 +469,94 @@ sub match_ext { return @trimlist; } -#------------------- displays one line in appropriate table format +# ------------------------------- displays one line in appropriate table format sub display_line{ - my ($r,$diropen,$line,$indent,$startdir,@list)=@_; + my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_; my (@pathfn, $fndir, $fnptr); my $dirptr=16384; my $fileclr="#ffffe6"; - my $iconpath="/res/adm/pages/indexericons/"; + 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 == 1; + $msg = 'Close '.$filecom[0].' directory' if $diropen eq "opened"; my $tabtag="		   
\n"); + $r->print ('
'."\n"); + $r->print (''."\n"); + $r->print (''."\n"); + $r->print ('print (' name="'.$msg.'" height="22" type="image" border="0">'. + "\n"); + $r->print("Up $tabtag
"); &begin_form ($r,$filecom[0].'/'); my $anchor = $filecom[0].'/'; $anchor =~ s/\///g; - $r->print ("\nprint (" name=\"$msg\" height=\"22\" type=\"image\" border=\"0\">\n"); + $r->print (''); + $r->print (''); + $r->print ('print (' name="'.$msg.'" height="22" type="image" border="0">'. + "\n"); + $r->print ('print (' border="0" />'."\n"); $r->print("Domain - $listname $tabtag
\n"); + $r->print("\n"); my $curdir = $startdir.$filecom[0].'/'; - &begin_form ($r,$curdir); my $anchor = $curdir; $anchor =~ s/\///g; -# $r->print ("\n\n"); - $r->print ("\n\n"); - $r->print ("print ("folder_pointer_closed.gif\"") if $diropen == 0; - $r->print ("folder_pointer_opened.gif\"") if $diropen == 1; - $r->print (" name=\"$msg\" height=\"22\" type=\"image\" border=\"0\">\n"); - $r->print ("\n"); - $r->print ("$listname $tabtag
"); } elsif ($ENV{'form.catalogmode'} eq 'groupimport') { @@ -445,56 +583,82 @@ sub display_line{ $title=$listname unless $title; $r->print("
\n"); $r->print("\n"); + "value='$filelink' onClick='". + "javascript:queue(\"form$fnum\")' "); + if ($hash{'store_'.$filelink}) { + $r->print("checked"); + } + $r->print(">\n"); $r->print("\n"); $r->print("
\n"); $r->print("		"); + $hash{"pre_${fnum}_link"}=$filelink; + $hash{"pre_${fnum}_title"}=$title; $fnum++; } - if ($indent < 11) { - $r->print("\n"); - } else { + if ($indent > 0 and $indent < 11) { + $r->print("\n"); + } elsif ($indent >0) { my $ten = int($indent/10.); my $rem = $indent%10.0; my $count = 0; while ($count < $ten) { - $r->print("\n"); + $r->print("\n"); $count++; } - $r->print("\n") if $rem > 0; + $r->print("\n") if $rem > 0; } - $r->print("\n"); - $r->print(" ",$listname,"\n"); - - $r->print (" (metadata) ") if ($metafile == 1); + $r->print("\n"); + $r->print (" $listname "); + + $r->print (" (metadata) ") if ($metafile == 1); $r->print(" ",$filecom[8]," ",$filecom[8]," ".(localtime($filecom[9]))." ".(localtime($filecom[10]))." ", + $filecom[8]," ". + (localtime($filecom[9]))." ". + (localtime($filecom[10]))." ".$author." ".$author. + " ".$keywords." ".$keywords. + " ".$lang." ".$lang. + "
"); &begin_form ($r,$curdir); my $indentm1 = $indent-1; - if ($indentm1 < 11) { - $r->print("\n"); + if ($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"); + $count++; } - $r->print("\n") if $rem > 0; + $r->print ("\n") if $rem > 0; } - $r->print ("\nprint ("folder_pointer_closed.gif\"") if $diropen == 0; - $r->print ("folder_pointer_opened.gif\"") if $diropen == 1; - $r->print (" name=\"$msg\" height=\"22\" type=\"image\" border=\"0\">\n"); - $r->print("\n") if $diropen == 0; - $r->print("\n") if $diropen == 1; - $r->print("$listname $tabtag