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Diff for /loncom/interface/lonindexer.pm between versions 1.3 and 1.19

version 1.3, 2001/05/19 14:31:45 version 1.19, 2001/08/29 12:07:55
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
   #
 # Directory Indexer  # 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  # 11/23 Gerd Kortemeyer
   # YEAR=2000
 # 07/20-08/04 H.K. Ng  # 07/20-08/04 H.K. Ng
 #  # YEAR=2001
 # 05/9-05/19/2001 H. K. Ng  # 05/9-05/19/2001 H. K. Ng
 #  # 05/21/2001 H. K. Ng
   # 05/23/2001 H. K. Ng
   # 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;  package Apache::lonindexer;
   
 use strict;  use strict;
Line 15  use Apache::Constants qw(:common); Line 25  use Apache::Constants qw(:common);
 use Apache::File;  use Apache::File;
 use GDBM_File;  use GDBM_File;
   
 my %dirs;  my %hash; # tied to a user-specific gdbm file
 my %language;  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 {  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 {      map {
  $_=~/(\w+)\s+([\w\s\-]+)/;   $_=~/(\w+)\s+([\w\s\-]+)/;
  $language{$1}=$2;   $language{$1}=$2;
     } <$fh>;      } <$fh>;
 }  }
   
   # ---------------------------------------------------------------- Main Handler
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     $r->content_type('text/html');      $r->content_type('text/html');
     $r->send_http_header;      $r->send_http_header;
     return OK if $r->header_only;      return OK if $r->header_only;
       $fnum=0;
       $dnum=0;
   
     my $iconpath= $r->dir_config('lonIconsURL');  # --------------------------------------------- machine configuration variables
       my $iconpath= $r->dir_config('lonIconsURL') . "/";
     my $domain  = $r->dir_config('lonDefDomain');      my $domain  = $r->dir_config('lonDefDomain');
     my $role    = $r->dir_config('lonRole');      my $role    = $r->dir_config('lonRole');
     my $loadlim = $r->dir_config('lonLoadLim');      my $loadlim = $r->dir_config('lonLoadLim');
Line 41  sub handler { Line 64  sub handler {
     my $lonhost = $r->dir_config('lonHostID');      my $lonhost = $r->dir_config('lonHostID');
     my $tabdir  = $r->dir_config('lonTabDir');      my $tabdir  = $r->dir_config('lonTabDir');
   
       my $fileclr='#ffffe6';
       my $line;
       my (@attrchk,@openpath);
       my $uri=$r->uri;
   
   # -------------------------------------- see if called from an interactive mode
       &get_unprocessed_cgi();
   
       my $closebutton='';
       my $groupimportbutton='';
       my $colspan=''; 
   
       $extrafield='';
       my $diropendb = 
    "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
   
       if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) {
    if ($ENV{'form.launch'} eq '1') {
       &start_fresh_session();
    }
   
   # -------------------- refresh environment with user database values (in %hash)
    if ($hash{'mode_catalog'} eq 'interactive') {
       $ENV{'form.catalogmode'}='interactive';
    }
    if ($hash{'mode_catalog'} eq 'groupimport') {
       $ENV{'form.catalogmode'}='groupimport';
    }
   
   # --------------------- define extra fields and buttons in case of special mode
    if ($ENV{'form.catalogmode'} eq 'interactive') {
       $hash{'mode_catalog'}='interactive';
       $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
    '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
    ' border="0" /></td>';
       $colspan=" colspan='2' ";
               $closebutton=<<END;
   <input type="button" name="close" value='CLOSE' onClick="self.close()">
   END
           }
    elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
       $hash{'mode_catalog'}='groupimport';
       $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
    '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
    ' border="0" /></td>';
       $colspan=" colspan='2' ";
               $closebutton=<<END;
   <input type="button" name="close" value='CLOSE' onClick="self.close()">
   END
               $groupimportbutton=<<END;
   <input type="button" name="groupimport" value='GROUP IMPORT'
   onClick="javascript:select_group()">
   END
           }
   
   # ------ set catalogmodefunctions to have extra needed javascript functionality
    my $catalogmodefunctions='';
    if ($ENV{'form.catalogmode'} eq 'interactive' or
       $ENV{'form.catalogmode'} eq 'groupimport') {
       $catalogmodefunctions=<<END;
   function select_data(title,url) {
       changeTitle(title);
       changeURL(url);
       self.close();
   }
   function select_group() {
       window.location="/adm/groupsort?acts="+document.forms.fileattr.acts.value;
   }
   function changeTitle(val) {
       if (opener.inf.document.forms.resinfo.elements.t) {
           opener.inf.document.forms.resinfo.elements.t.value=val;
       }
   }
   function changeURL(val) {
       if (opener.inf.document.forms.resinfo.elements.u) {
    opener.inf.document.forms.resinfo.elements.u.value=val;
       }
   }
   END
           }
    if ($ENV{'form.catalogmode'} eq 'groupimport') {
       $catalogmodefunctions.=<<END;
   var acts='';
   function queue(val) {
       if (eval("document.forms."+val+".filelink.checked")) {
    var l=val.length;
    var v=val.substring(4,l);
    document.forms.fileattr.acts.value+='1a'+v+'b';
       }
       else {
    var l=val.length;
    var v=val.substring(4,l);
    document.forms.fileattr.acts.value+='0a'+v+'b';
       }
   }
   function rep_dirpath(suffix,val) {
       eval("document.forms.dirpath"+suffix+".acts.value=val");
   }
   END
    }
   
 # ---------------------------------------------------------------- Print Header  # ---------------------------------------------------------------- Print Header
     $r->print(<<ENDHEADER);   $r->print(<<ENDHEADER);
 <html>  <html>
 <head>  <head>
 <title>The LearningOnline Network With CAPA Directory Browser</title>  <title>The LearningOnline Network With CAPA Directory Browser</title>
   
 <SCRIPT language="javascript">  <script type="text/javascript">
   $catalogmodefunctions
 function openWindow(url, wdwName, w, h, toolbar,scrollbar) {  function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
     var options = "width=" + w + ",height=" + h + ",";      var options = "width=" + w + ",height=" + h + ",";
     options += "resizable=yes,scrollbars="+scrollbar+",status=no,";      options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
Line 55  function openWindow(url, wdwName, w, h, Line 180  function openWindow(url, wdwName, w, h,
     var newWin = window.open(url, wdwName, options);      var newWin = window.open(url, wdwName, options);
     newWin.focus();      newWin.focus();
 }  }
 </SCRIPT>  function gothere(val) {
       window.location=val+'?acts='+document.forms.fileattr.acts.value;
   }
   </script>
   
 </head>  </head>
 <body bgcolor="#FFFFFF">  <body bgcolor="#FFFFFF">
 ENDHEADER  ENDHEADER
   
     my $line;  # - Evaluate actions from previous page (both cumulatively and chronologically)
     my (@attrchk,@openpath);          if ($ENV{'form.catalogmode'} eq 'groupimport') {
     my $uri=$r->uri;      my $acts=$ENV{'form.acts'};
     my $iconpath="/res/adm/pages/indexericons/";      my @Acts=split(/b/,$acts);
       my %ahash;
     $r->print("<h2><font color=\"\#888888\">The LearningOnline With CAPA Network Directory Browser</font></h2>\n");      my %achash;
       my $ac=0;
     for (my $i=0; $i<=5; $i++) {      # some initial hashes for working with data
  $attrchk[$i] = "checked" if $ENV{'form.attr'.$i} == 1;      map {
     }   my ($state,$ref)=split(/a/);
     $r->print(<<END);   $ahash{$ref}=$state;
 <b><font color="#666666">Display file attributes</font></b><br>   $achash{$ref}=$ac;
 <form method="post" name="fileattr" action="$uri" enctype="application/x-www-form-urlencoded">   $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
    $r->print('<h2><font color="#888888">The LearningOnline With CAPA '.
     'Network Directory Browser</font></h2>'."\n");
   # get state of file attributes to be showing
    if ($ENV{'form.attrs'} ne "") {
       for (my $i=0; $i<=6; $i++) {
    delete $hash{'display_attrs_'.$i};
    if ($ENV{'form.attr'.$i} == 1) {
       $attrchk[$i] = "checked";
       $hash{'display_attrs_'.$i} = 1;
    }
       }
    } else {
       for (my $i=0; $i<=6; $i++) {
    $attrchk[$i] = "checked" if $hash{'display_attrs_'.$i} == 1;
       }
    }
   # output state of file attributes to be showing
    $r->print(<<END);
   <b><font color="#666666">Display file attributes</font></b><br />
   <form method="post" name="fileattr" action="$uri"
    enctype="application/x-www-form-urlencoded">
 <table border=0><tr>  <table border=0><tr>
 <td><input type=checkbox name=attr0 value="1" $attrchk[0]> Size</td>  <td><input type="checkbox" name="attr0" value="1" $attrchk[0] /> Size</td>
 <td><input type=checkbox name=attr1 value="1" $attrchk[1]> Last access</td>  <td><input type="checkbox" name="attr1" value="1" $attrchk[1] /> Last access</td>
 <td><input type=checkbox name=attr2 value="1" $attrchk[2]> Last modified</td>  <td><input type="checkbox" name="attr2" value="1" $attrchk[2] /> Last modified</td>
   <td><input type="checkbox" name="attr6" value="1" $attrchk[6] /> All versions</td>
 </tr><tr>  </tr><tr>
 <td><input type=checkbox name=attr3 value="1" $attrchk[3]> Author</td>  <td><input type="checkbox" name="attr3" value="1" $attrchk[3] /> Author</td>
 <td><input type=checkbox name=attr4 value="1" $attrchk[4]> Keywords</td>  <td><input type="checkbox" name="attr4" value="1" $attrchk[4] /> Keywords</td>
 <td><input type=checkbox name=attr5 value="1" $attrchk[5]> Language</td>  <td><input type="checkbox" name="attr5" value="1" $attrchk[5] /> Language</td>
   <td>&nbsp;</td>
 </tr></table>  </tr></table>
 <input type="submit" name="dirlistattr" value="Review">&nbsp;  <input type="hidden" name="dirPointer" value="on" />
 <input type="submit" name="dirlistattr" value="Refresh">  <input type="hidden" name="acts" value="" />
   <input type="submit" name="attrs" value="Review" />&nbsp;
   <input type="submit" name="attrs" value="Refresh" />
   $closebutton
   $groupimportbutton
 </form>  </form>
 END  END
   
     my $diropen = "/home/httpd/perl/tmp/$domain$ENV{'user.name'}_diropen.db";      # output starting row to the indexed file/directory hierarchy
           my $titleclr="#ddffff";
     if (tie(%dirs,'GDBM_File',$diropen,&GDBM_WRCREAT,0640)) {          $r->print("<table border=0><tr><td bgcolor=#eeeeee>\n");
  my $titleclr="#ddffff";  
  $r->print("<table border=0><tr><td bgcolor=#eeeeee>\n");  
  $r->print("<table border=0><tr>\n");   $r->print("<table border=0><tr>\n");
  $r->print("<td bgcolor=$titleclr><b>Name</b></td>\n");   $r->print("<td $colspan bgcolor=$titleclr><b>Name</b></td>\n");
  $r->print("<td bgcolor=$titleclr align=right><b>Size (bytes) </b></td>\n") if ($ENV{'form.attr0'} == 1);   $r->print("<td bgcolor=$titleclr align=right><b>Size (bytes) ".
  $r->print("<td bgcolor=$titleclr><b>Last accessed</b></td>\n") if ($ENV{'form.attr1'} == 1);    "</b></td>\n") if ($hash{'display_attrs_0'} == 1);
  $r->print("<td bgcolor=$titleclr><b>Last modified</b></td>\n") if ($ENV{'form.attr2'} == 1);   $r->print("<td bgcolor=$titleclr><b>Last accessed</b></td>\n") 
  $r->print("<td bgcolor=$titleclr><b>Author(s)</b></td>\n") if ($ENV{'form.attr3'} == 1);      if ($hash{'display_attrs_1'} == 1);
  $r->print("<td bgcolor=$titleclr><b>Keywords</b></td>\n") if ($ENV{'form.attr4'} == 1);   $r->print("<td bgcolor=$titleclr><b>Last modified</b></td>\n")
  $r->print("<td bgcolor=$titleclr><b>Language</b></td>\n") if ($ENV{'form.attr5'} == 1);      if ($hash{'display_attrs_2'} == 1);
    $r->print("<td bgcolor=$titleclr><b>Author(s)</b></td>\n")
       if ($hash{'display_attrs_3'} == 1);
    $r->print("<td bgcolor=$titleclr><b>Keywords</b></td>\n")
       if ($hash{'display_attrs_4'} == 1);
    $r->print("<td bgcolor=$titleclr><b>Language</b></td>\n")
       if ($hash{'display_attrs_5'} == 1);
  $r->print("</tr>");   $r->print("</tr>");
   
    # read in what directories have previously been set to "open"
    map {
       if ($_ =~ /^diropen_status_/) {
    my $key = $_;
    $key =~ s/^diropen_status_//;
    $dirs{$key} = $hash{$_};
       }
    } keys %hash;
   
  if ($ENV{'form.openuri'}) {  # take care of review and refresh options   if ($ENV{'form.openuri'}) {  # take care of review and refresh options
     my $uri=$ENV{'form.openuri'};      my $uri=$ENV{'form.openuri'};
     if (exists($dirs{$uri})) {      if (exists($hash{'diropen_status_'.$uri})) {
  my $cursta = $dirs{$uri};   my $cursta = $hash{'diropen_status_'.$uri};
  $dirs{$uri} = 'open';   $dirs{$uri} = 'open';
  $dirs{$uri} = 'closed' if $cursta eq 'open';   $hash{'diropen_status_'.$uri} = 'open';
    if ($cursta eq 'open') {
       $dirs{$uri} = 'closed';
       $hash{'diropen_status_'.$uri} = 'closed';
    }
     } else {      } else {
    $hash{'diropen_status_'.$uri} = 'open';
  $dirs{$uri} = 'open';   $dirs{$uri} = 'open';
     }      }
  }   }
  sort keys %dirs;  
    my $bredir = $ENV{'form.dirPointer'};
    my $toplevel;
    my $indent = 0;
    $uri = $uri.'/' if $uri !~ /.*\/$/;
   
    if ($bredir ne "on") {
       $hash{'top.level'} = $uri;
       $toplevel = $uri;
   
  my $toplevel = "/res/";   } else {
  my $indent = -1;      $toplevel = $hash{'top.level'};
  &scanDir ($r,$toplevel,$indent);   }
   
    # 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("<form name='fnum'>");
    $r->print("<input type='hidden' name='fnum' value='$fnum'></form>");
   
    # end the tables
  $r->print("</table>");   $r->print("</table>");
  $r->print("</td></tr></table>");   $r->print("</td></tr></table>");
   
    # end the output and return
  $r->print("</body></html>\n");   $r->print("</body></html>\n");
  untie(%dirs);   untie(%hash);
     } else {      } else {
  $r->print("Unable to tie hash to db file");   $r->print('<html><head></head><body>Unable to tie hash to db '.
     'file</body></html>');
    return OK;
     }      }
     return OK;      return OK;
 }  }
   
 # --------------------recursive scan of a directory  
   # ----------------------------------------------- recursive scan of a directory
 sub scanDir {  sub scanDir {
     my ($r,$startdir,$indent)=@_;      my ($r,$startdir,$indent,$hashref)=@_;
     my ($compuri,$curdir);      my ($compuri,$curdir);
     my $dirptr=16384;      my $dirptr=16384;
     $indent++;      $indent++;
Line 139  sub scanDir { Line 373  sub scanDir {
     my %dupdirs = %dirs;      my %dupdirs = %dirs;
     my @list=&get_list($r,$startdir);      my @list=&get_list($r,$startdir);
     foreach my $line (@list) {      foreach my $line (@list) {
  my ($strip,$domusr,$foo,$testdir,$foo)=split(/\&/,$line,5);    my ($strip,$dom,$foo,$testdir,$foo)=split(/\&/,$line,5); 
  if ($domusr eq "domain") {   next if $strip =~ /.*\.meta$/;
     $compuri = join('',$strip,"/");  # domain list has /res/<domain name>   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,"/");  # dom list has /res/<domain name>
     $curdir = $compuri;      $curdir = $compuri;
  } else {   } 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;      $curdir = $startdir;
  }   }
  my $diropen = 0;   my $diropen = "closed";
  if (($dirptr&$testdir) or ($domusr =~ /^(domain|user)$/)) {   if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/)) {
     while (my ($key,$val)= each %dupdirs) {      while (my ($key,$val)= each %dupdirs) {
  $diropen = 1 if ($key eq $compuri and $val eq "open");   if ($key eq $compuri and $val eq "open") {
       $diropen = "opened";
       delete $dupdirs{key},$dirs{$key};
    }
     }      }
  }   }
  &display_line($r,$diropen,$line,$indent,$curdir);   &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
  &scanDir ($r,$compuri,$indent) if $diropen == 1;   &scanDir ($r,$compuri,$indent) if $diropen eq "opened";
     }      }
     $indent--;      $indent--;
 }  }
   
 # ----------------- get complete matched list based on the uri ------  # --------------- get complete matched list based on the uri (returns an array)
 sub get_list {  sub get_list {
     my ($r,$uri)=@_;      my ($r,$uri)=@_;
     my @list;      my @list;
     my $luri = $uri;      my $luri = $uri;
     my $domain  = $r->dir_config('lonDefDomain');  
     $luri =~ s/\//_/g;      $luri =~ s/\//_/g;
   
     if ($ENV{'form.dirlistattr'} eq "Refresh") {      if ($ENV{'form.attrs'} eq "Refresh") {
  my $tmpdir="/home/httpd/perl/tmp";   map {
  my $filename;      delete $hash{$_} if ($_ =~ /^dirlist_files_/);
  opendir(DIR,$tmpdir);      } keys %hash;
  while ($filename=readdir(DIR)) {  
     if ($filename=~/^$domain$ENV{'user.name'}_dirlist.*\.tmp$/) {  
  unlink($tmpdir.'/'.$filename);  
     }  
  }  
  closedir(DIR);  
     }      }
   
     my $dirlist = "/home/httpd/perl/tmp/$domain$ENV{'user.name'}_dirlist$luri.tmp";      if ($hash{'dirlist_files'.$luri}) {
     if (-e $dirlist) {   @list = split(/\n/,$hash{'dirlist_files_'.$luri});
  my $FH = Apache::File->new($dirlist);  
  @list=<$FH>;  
     } else {      } else {
  @list=&Apache::lonnet::dirlist($uri);   @list = &Apache::lonnet::dirlist($uri);
  my $FH = Apache::File->new(">$dirlist");   $hash{'dirlist_files_'.$luri} = join('\n',@list);
  print $FH join("\n",@list);  
     }      }
     @list = sort(@list);  
     return @list=&match_ext($r,@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 {  sub match_ext {
     my ($r,@packlist)=@_;      my ($r,@packlist)=@_;
     my @trimlist;      my @trimlist;
Line 201  sub match_ext { Line 439  sub match_ext {
     my $dirptr=16384;      my $dirptr=16384;
   
     my $tabdir  = $r->dir_config('lonTabDir');      my $tabdir  = $r->dir_config('lonTabDir');
     my $fn = $tabdir."/filetypes.tab";      my $fn = $tabdir.'/filetypes.tab';
     if (-e $fn) {      if (-e $fn) {
  my $FH=Apache::File->new($fn);   my $FH=Apache::File->new($fn);
  my @content=<$FH>;   my @content=<$FH>;
Line 218  sub match_ext { Line 456  sub match_ext {
  next if ($unpackline[0] eq "..");   next if ($unpackline[0] eq "..");
  my @filecom = split (/\./,$unpackline[0]);   my @filecom = split (/\./,$unpackline[0]);
  my $fext = pop(@filecom);   my $fext = pop(@filecom);
  next if $fext eq "meta";  
  my $fnptr = $unpackline[3]&$dirptr;   my $fnptr = $unpackline[3]&$dirptr;
   if ($fnptr == 0 and $unpackline[3] ne "") {    if ($fnptr == 0 and $unpackline[3] ne "") {
     foreach my $nextline (@fileext) {      foreach my $nextline (@fileext) {
Line 228  sub match_ext { Line 465  sub match_ext {
     push @trimlist,$line;      push @trimlist,$line;
  }   }
     }      }
       @trimlist = sort (@trimlist);
     return @trimlist;      return @trimlist;
 }  }
   
 #------------------- displays one line in appropriate table format  # ------------------------------- displays one line in appropriate table format
 sub display_line{  sub display_line{
     my ($r,$diropen,$line,$indent,$startdir)=@_;      my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
     my (@pathfn, $fndir, $fnptr);      my (@pathfn, $fndir, $fnptr);
     my $dirptr=16384;      my $dirptr=16384;
     my $fileclr="#ffffe6";      my $fileclr="#ffffe6";
     my $iconpath="/res/adm/pages/indexericons/";      my $iconpath= $r->dir_config('lonIconsURL') . "/";
   
     my @filecom = split (/\&/,$line);      my @filecom = split (/\&/,$line);
     my @pathcom = split (/\//,$filecom[0]);      my @pathcom = split (/\//,$filecom[0]);
     my $listname = $pathcom[scalar(@pathcom)-1];      my $listname = $pathcom[scalar(@pathcom)-1];
     my $fnptr = $filecom[3]&$dirptr;      my $fnptr = $filecom[3]&$dirptr;
       my $msg = 'View '.$filecom[0].' resources';
       $msg = 'Close '.$filecom[0].' directory' if $diropen eq "opened";
   
     my $tabtag="</td>";      my $tabtag="</td>";
     my $i=0;      my $i=0;
   
     while ($i<=5) {      while ($i<=5) {
  my $key="form.attr".$i;   $tabtag=join('',$tabtag,"<td bgcolor=",$fileclr,">&nbsp;</td>")
  $tabtag=join('',$tabtag,"<td bgcolor=",$fileclr,">&nbsp;</td>") if $ENV{$key} == 1;      if $hash{'display_attrs_'.$i} == 1;
  $i++;   $i++;
     }      }
   
   # display uplink arrow
       if ($filecom[1] eq "viewOneUp") {
    $r->print("<tr>$extrafield");
    $r->print("<td bgcolor=$fileclr valign=bottom>\n");
    $r->print ('<form method="post" name="dirpathUP" action="'.$startdir.
      '/" '.
      'onSubmit="return rep_dirpath(\'UP\','.
      'document.forms.fileattr.acts.value)" '.
      'enctype="application/x-www-form-urlencoded"'.
                      '>'."\n");
    $r->print ('<input type=hidden name=openuri value="'.
      $startdir.'">'."\n");
    $r->print ('<input type="hidden" name="acts" value="">'."\n");
    $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
    $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
      "\n");
    $r->print("Up $tabtag</tr></form>\n");
    return OK;
       }
   
   # display domain
     if ($filecom[1] eq "domain") {      if ($filecom[1] eq "domain") {
  $r->print("<tr>");   $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n")
       if ($ENV{'form.dirPointer'} eq "on");
    $r->print("<tr>$extrafield");
  $r->print("<td bgcolor=$fileclr valign=bottom>");   $r->print("<td bgcolor=$fileclr valign=bottom>");
  &begin_form ($r,$filecom[0].'/');   &begin_form ($r,$filecom[0].'/');
  my $anchor = $filecom[0].'/';   my $anchor = $filecom[0].'/';
  $anchor =~ s/\///g;   $anchor =~ s/\///g;
  $r->print ("<a name=\"".$anchor."\">\n<input src=\"".$iconpath."comp.blue.gif\"");   $r->print ('<a name="'.$anchor.'">');
  $r->print (" name=\"View $filecom[0]/ resources\" height=\"22\" type=\"image\" border=\"0\">\n");   $r->print ('<input type="hidden" name="acts" value="">');
    $r->print ('<input src="'.$iconpath.'folder_pointer_'.
      $diropen.'.gif"'); 
    $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
      "\n");
    $r->print ('<a href="javascript:gothere(\''.$filecom[0].
      '/\')"><img src="'.$iconpath.'server.gif"');
    $r->print (' border="0" /></a>'."\n");
  $r->print("Domain - $listname $tabtag</tr></form>\n");   $r->print("Domain - $listname $tabtag</tr></form>\n");
  return OK;   return OK;
   
   # display user directory
     }      }
     if ($filecom[1] eq "user") {      if ($filecom[1] eq "user") {
  $r->print("<tr>");   $r->print("<tr>$extrafield");
  $r->print("<td bgcolor=$fileclr valign=bottom>\n");   $r->print("<td bgcolor=$fileclr valign=bottom nowrap>\n");
  my $curdir = $startdir.$filecom[0].'/';   my $curdir = $startdir.$filecom[0].'/';
  &begin_form ($r,$curdir);  
  my $anchor = $curdir;   my $anchor = $curdir;
  $anchor =~ s/\///g;   $anchor =~ s/\///g;
  $r->print ("<a name=\"$anchor\">\n<img src=",$iconpath,"white_space_20_22.gif border=0>\n");   &begin_form ($r,$curdir);
  $r->print ("<input src=\"$iconpath");   $r->print ('<a name="'.$anchor.'"><img src="'.$iconpath.
  $r->print ("folder_pointer_closed.gif\"") if $diropen == 0;     'whitespace1.gif" border="0" />'."\n");
  $r->print ("folder_pointer_opened.gif\"") if $diropen == 1;   $r->print ('<input type="hidden" name="acts" value="">');
  $r->print (" name=\"View $curdir resources\" height=\"22\" type=\"image\" border=\"0\">\n");   $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
  $r->print ("<img src=",$iconpath,"quill.gif border=0>\n");     '.gif"'); 
  $r->print ("$listname $tabtag</tr></form>\n");   $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
      "\n");
    $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src='.
      $iconpath.'quill.gif border="0" name="'.$msg.
      '" height="22" /></a>');
    $r->print ($listname.$tabtag.'</tr></form>'."\n");
  return OK;   return OK;
     }      }
   
 # display file  # display file
     if ($fnptr == 0 and $filecom[3] ne "") {      if ($fnptr == 0 and $filecom[3] ne "") {
  my @file_ext = split (/\./,$listname);   my @file_ext = split (/\./,$listname);
  my $curfext = $file_ext[scalar(@file_ext)-1];   my $curfext = $file_ext[scalar(@file_ext)-1];
  my $filelink = $startdir.$filecom[0];   my $filelink = $startdir.$filecom[0];
  my $count = 0;   $r->print("<tr><td nowrap valign='bottom' bgcolor=$fileclr>");
  $r->print("<tr><td bgcolor=$fileclr>");   my $metafile = grep /^$filecom[0]\.meta\&/, @list;
  while ($count < $indent) {   my $title;
     $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");          if ($ENV{'form.catalogmode'} eq 'interactive') {
       $title=$listname;
       $title = &Apache::lonnet::metadata($filelink,'title')
    if ($metafile == 1);
       $title=$listname unless $title;
       $r->print("<a href='javascript:select_data(\"",
                 $title,'","',$filelink,"\")'>");
       $r->print("<img src='",$iconpath,"select.gif' border='0' /></a>".
         "\n");
       $r->print("</td><td valign='bottom' nowrap bgcolor=$fileclr>");
    }
           elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
       $title=$listname;
       $title = &Apache::lonnet::metadata($filelink,'title')
    if ($metafile == 1);
       $title=$listname unless $title;
       $r->print("<form name='form$fnum'>\n");
       $r->print("<input type='checkbox' name='filelink"."' ".
         "value='$filelink' onClick='".
         "javascript:queue(\"form$fnum\")' ");
       if ($hash{'store_'.$filelink}) {
    $r->print("checked");
       }
       $r->print(">\n");
       $r->print("<input type='hidden' name='title"."' ".
         "value='$title'>\n");
       $r->print("</form>\n");
       $r->print("</td><td valign='bottom' nowrap bgcolor=$fileclr>");
       $hash{"pre_${fnum}_link"}=$filelink;
       $hash{"pre_${fnum}_title"}=$title;
        $fnum++;
    }
   
    if ($indent > 0 and $indent < 11) {
       $r->print("<img src=",$iconpath,"whitespace",$indent,
         ".gif border='0' />\n");
    } elsif ($indent >0) {
       my $ten = int($indent/10.);
       my $rem = $indent%10.0;
       my $count = 0;
       while ($count < $ten) {
    $r->print("<img src=",$iconpath,
     "whitespace10.gif border='0' />\n");
     $count++;      $count++;
       }
       $r->print("<img src=",$iconpath,"whitespace",$rem,
         ".gif border='0' />\n") if $rem > 0;
  }   }
  $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");  
  $r->print("<img src=$iconpath$curfext.gif border=0>\n");  
  $r->print(" <a href=$filelink>",$listname,"</a>");  
  my $metafile = '/home/httpd/html'.$filelink.'.meta';  
   
  $r->print (" (<a href=\"javascript:openWindow('".$filelink.".meta', 'metadatafile', '400', '450', 'no', 'yes')\"; TARGET=_self>metadata</a>) ") if (-e $metafile);  
   
 # $r->print(" (<a href=$filelink.meta target=cat>metadata</a>)") if (-e $metafile);  
  $r=>print("</td>\n");  
  $r->print("<td bgcolor=$fileclr align=right valign=bottom> ",$filecom[8]," </td>\n") if $ENV{'form.attr0'} == 1;  
  $r->print("<td bgcolor=$fileclr valign=bottom> ".(localtime($filecom[9]))." </td>\n") if $ENV{'form.attr1'} == 1;  
  $r->print("<td bgcolor=$fileclr valign=bottom> ".(localtime($filecom[10]))." </td>\n") if $ENV{'form.attr2'} == 1;  
   
  if ($ENV{'form.attr3'} == 1) {   $r->print("<img src=$iconpath$curfext.gif border='0' />\n");
     my $author = &Apache::lonnet::metadata($filelink,'author');   $r->print (" <a href=\"javascript:openWindow('".$filelink.
      "', 'metadatafile', '450', '500', 'no', 'yes')\";".
      " TARGET=_self>$listname</a> ");
   
    $r->print (" (<a href=\"javascript:openWindow('".$filelink.
      ".meta', 'metadatafile', '400', '450', 'no', 'yes')\"; ".
      "TARGET=_self>metadata</a>) ") if ($metafile == 1);
   
    $r->print("</td>\n");
    $r->print("<td bgcolor=$fileclr align=right valign=bottom> ",
     $filecom[8]," </td>\n") 
       if $hash{'display_attrs_0'} == 1;
    $r->print("<td bgcolor=$fileclr valign=bottom> ".
     (localtime($filecom[9]))." </td>\n") 
       if $hash{'display_attrs_1'} == 1;
    $r->print("<td bgcolor=$fileclr valign=bottom> ".
     (localtime($filecom[10]))." </td>\n") 
       if $hash{'display_attrs_2'} == 1;
   
    if ($hash{'display_attrs_3'} == 1) {
       my $author = &Apache::lonnet::metadata($filelink,'author')
    if ($metafile == 1);
     $author = '&nbsp;' if (!$author);      $author = '&nbsp;' if (!$author);
     $r->print("<td bgcolor=$fileclr valign=bottom> ".$author." </td>\n");      $r->print("<td bgcolor=$fileclr valign=bottom> ".$author.
         " </td>\n");
  }   }
  if ($ENV{'form.attr4'} == 1) {   if ($hash{'display_attrs_4'} == 1) {
     my $keywords = &Apache::lonnet::metadata($filelink,'keywords');      my $keywords = &Apache::lonnet::metadata($filelink,'keywords')
    if ($metafile == 1);
     $keywords = '&nbsp;' if (!$keywords);      $keywords = '&nbsp;' if (!$keywords);
     $r->print("<td bgcolor=$fileclr valign=bottom> ".$keywords." </td>\n");      $r->print("<td bgcolor=$fileclr valign=bottom> ".$keywords.
         " </td>\n");
  }   }
  if ($ENV{'form.attr5'} == 1) {   if ($hash{'display_attrs_5'} == 1) {
     my $lang = &Apache::lonnet::metadata($filelink,'language');      my $lang = &Apache::lonnet::metadata($filelink,'language')
    if ($metafile == 1);
     $lang = $language{$lang};      $lang = $language{$lang};
     $lang = '&nbsp;' if (!$lang);      $lang = '&nbsp;' if (!$lang);
     $r->print("<td bgcolor=$fileclr valign=bottom> ".$lang." </td>\n");      $r->print("<td bgcolor=$fileclr valign=bottom> ".$lang.
         " </td>\n");
  }   }
  $r->print("</tr>\n");   $r->print("</tr>\n");
     }      }
   
 # -- display directory  # -- display directory
     if ($fnptr == $dirptr) {      if ($fnptr == $dirptr) {
  my @file_ext = split (/\./,$listname);   my @file_ext = split (/\./,$listname);
Line 328  sub display_line{ Line 666  sub display_line{
  my $curdir = $startdir.$filecom[0].'/';   my $curdir = $startdir.$filecom[0].'/';
  my $anchor = $curdir;   my $anchor = $curdir;
  $anchor =~ s/\///g;   $anchor =~ s/\///g;
  $r->print("<tr><td bgcolor=$fileclr valign=bottom>");   $r->print("<tr>$extrafield<td bgcolor=$fileclr valign=bottom>");
  &begin_form ($r,$curdir);   &begin_form ($r,$curdir);
    my $indentm1 = $indent-1;
  my $count = 0;   if ($indentm1 < 11 and $indentm1 > 0) {
  while ($count < $indent) {      $r->print("<img src=",$iconpath,"whitespace",$indentm1,
     $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");        ".gif border='0' />\n");
     $count++;   } else {
       my $ten = int($indentm1/10.);
       my $rem = $indentm1%10.0;
       my $count = 0;
       while ($count < $ten) {
    $r->print ("<img src=",$iconpath
      ,"whitespace10.gif border='0' />\n");
    $count++;
       }
       $r->print ("<img src=",$iconpath,"whitespace",$rem,
          ".gif border='0' />\n") if $rem > 0;
  }   }
    $r->print ('<input type="hidden" name="acts" value="">');
  $r->print ("<a name=\"$anchor\">\n<input src=\"$iconpath");   $r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.
  $r->print ("folder_pointer_closed.gif\"") if $diropen == 0;     'folder_pointer_'.$diropen.'.gif"');
  $r->print ("folder_pointer_opened.gif\"") if $diropen == 1;   $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
  $r->print (" name=\"View $curdir resources\" height=\"22\" type=\"image\" border=\"0\">\n");     "\n");
  $r->print("<img src=",$iconpath,"folder_closed.gif border=0>\n") if $diropen == 0;   $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src="'.
  $r->print("<img src=",$iconpath,"folder_opened.gif border=0>\n") if $diropen == 1;     $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
  $r->print("$listname $tabtag</tr></form>\n");     "\n");
    $r->print ("$listname$tabtag</tr></form>\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 {  sub begin_form {
     my ($r,$uri) = @_;      my ($r,$uri) = @_;
     my $anchor = $uri;      my $anchor = $uri;
     $anchor =~ s/\///g;      $anchor =~ s/\///g;
     $r->print ("<form method=\"post\" name=\"dirpath\" action=\"/res/\#$anchor\" enctype=\"application/x-www-form-urlencoded\">\n");      $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
     $r->print ("<input type=hidden name=openuri value=\"$uri\">\n");         '#'.$anchor.
          '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
          ',document.forms.fileattr.acts.value)" '.
          'enctype="application/x-www-form-urlencoded">'."\n");
       $r->print ('<input type="hidden" name="openuri" value="'.$uri.'">'.
          "\n");
       $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n");
       $dnum++;
   }
   
     for (my $i=0; $i<=5; $i++) {  # ----------- grab unprocessed CGI variables that may have been appended to URL
  $r->print ("<input type=hidden name=attr$i value=\"1\">\n") if $ENV{'form.attr'.$i} == 1;  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'}));
   }
   
   # --------- 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;  1;
Removed from v.1.3  
changed lines
  Added in v.1.19

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