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Diff for /loncom/interface/lonindexer.pm between versions 1.1 and 1.9

version 1.1, 2000/08/28 21:07:32 version 1.9, 2001/06/02 16:57:35
Line 5 Line 5
 # 11/23 Gerd Kortemeyer  # 11/23 Gerd Kortemeyer
 # 07/20-08/04 H.K. Ng  # 07/20-08/04 H.K. Ng
 #  #
   # 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
   
 package Apache::lonindexer;  package Apache::lonindexer;
   
 use strict;  use strict;
 use Apache::lonnet();  use Apache::lonnet();
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   use Apache::File;
   use GDBM_File;
   
   my %hash;
   my %dirs;
   my %language;
   my $hidden;
   my $extrafield;
   my $fnum;
   sub BEGIN {
       my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/language.tab');
       map {
    $_=~/(\w+)\s+([\w\s\-]+)/;
    $language{$1}=$2;
       } <$fh>;
   }
   
 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;
     my $iconpath= $r->dir_config('lonIconsURL');      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');
Line 26  sub handler { Line 49  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 $iconpath='/res/adm/pages/indexericons/';
       my $fileclr='#ffffe6';
   # -------------------------------------- see if called from an interactive mode
       map {
          my ($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'}));
   
       $hidden=''; my $closebutton='';
       my $groupimportbutton='';
       my $colspan=''; 
       if ($ENV{'form.catalogmode'} eq 'interactive') {
    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
       '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
       ' border="0"></td>';
    $colspan=" colspan='2' ";
    $hidden=<<END;
   <input type='hidden' name='catalogmode' value='interactive'>
   END
           $closebutton=<<END;
   <input type="button" name="close" value='CLOSE' onClick="self.close()">
   END
       }
       elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
       '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
       ' border="0"></td>';
    $colspan=" colspan='2' ";
    $hidden=<<END;
   <input type='hidden' name='catalogmode' value='groupimport'>
   END
           $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
       }
   
       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 save_group() {
       for (var num=0; num<document.forms.fnum.fnum.value; num++) {
    if (eval("document.forms.form"+num+".filelink.checked")) {
       alert(eval("document.forms.form"+num+".title.value")+
          eval("document.forms.form"+num+".filelink.value"));
    }
       }
   }
   function select_group() {
       var linkflag=false;
       for (var num=0; num<document.forms.fnum.fnum.value; num++) {
    if (eval("document.forms.form"+num+".filelink.checked")) {
   //    alert(eval("document.forms.form"+num+".title.value")+
   //       eval("document.forms.form"+num+".filelink.value"));
       insertRowInLastRow();
       placeResourceInLastRow(
      eval("document.forms.form"+num+".title.value"),
      eval("document.forms.form"+num+".filelink.value"),
      linkflag
      );
       linkflag=true;
    }
       }
       opener.editmode=0;
       opener.notclear=0;
       opener.linkmode=0;
       opener.infoclear();
       opener.draw();
   }
   function insertRowInLastRow() {
       opener.insertrow(opener.maxrow);
       opener.addobj(opener.maxrow,'e&2');
   }
   function placeResourceInLastRow (title,url,linkflag) {
       opener.newresource(opener.maxrow,2,opener.escape(title),opener.escape(url),'false','normal');
       opener.save();
       opener.mostrecent=opener.obj.length-1;
       if (linkflag) {
    opener.joinres(opener.linkmode,opener.mostrecent,0);
       }
       opener.linkmode=opener.mostrecent;
   }
   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
       }
   
 # ---------------------------------------------------------------- Print Header  # ---------------------------------------------------------------- Print Header
     $r->print(<<ENDHEADER);      $r->print(<<ENDHEADER);
 <html>  <html>
 <head>  <head>
 <title>The LearningOnline Network Directory Browser</title>  <title>The LearningOnline Network With CAPA Directory Browser</title>
   
   <SCRIPT language="javascript">
   $catalogmodefunctions
   function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
       var options = "width=" + w + ",height=" + h + ",";
       options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
       options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
       var newWin = window.open(url, wdwName, options);
       newWin.focus();
   }
   </SCRIPT>
   
 </head>  </head>
 <body bgcolor="#FFFFFF">  <body bgcolor="#FFFFFF">
 ENDHEADER  ENDHEADER
Line 38  ENDHEADER Line 180  ENDHEADER
     my $line;      my $line;
     my (@attrchk,@openpath);      my (@attrchk,@openpath);
     my $uri=$r->uri;      my $uri=$r->uri;
     my $iconpath="/res/adm/pages/indexericons/";  
   
     $r->print("<h2>The LearningOnline Network Directory Browser</h2>\n");      $r->print("<h2><font color=\"\#888888\">The LearningOnline With CAPA Network Directory Browser</font></h2>\n");
   
     for (my $i=0; $i<=5; $i++) {      my $diropen = "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
  $attrchk[$i] = "checked" if $ENV{'form.attr'.$i} == 1;  
     }      if (tie(%hash,'GDBM_File',$diropen,&GDBM_WRCREAT,0640)) {
   
    if ($ENV{'form.attrs'} ne "") {
       for (my $i=0; $i<=5; $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<=5; $i++) {
    $attrchk[$i] = "checked" if $hash{'display_attrs_'.$i} == 1;
       }
    }
     $r->print(<<END);      $r->print(<<END);
 <b>Display file attributes</b><br>  <b><font color="#666666">Display file attributes</font></b><br>
 <form method="post" name="fileattr" action="$uri" enctype="application/x-www-form-urlencoded">  <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>
 </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" $attrchk[5]> Language</td>
 </tr></table>  </tr></table>
 <input type=hidden name=openuri value="$ENV{'form.openuri'}">  <input type="submit" name="attrs" value="Review">&nbsp;
 <input type="submit" name="dirlistattr" value="Review">  <input type="submit" name="attrs" value="Refresh">
 <input type="submit" name="dirlistattr" value="Refresh">  $hidden
   $closebutton
   $groupimportbutton
 </form>  </form>
 END  END
     my $titleclr="#ddffff";  
     my $fileclr="#ffffdd";  
   
       my $titleclr="#ddffff";
     $r->print("<table border=0><tr><td bgcolor=#eeeeee>\n");      $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) </b></td>\n") if ($hash{'display_attrs_0'} == 1);
     $r->print("<td bgcolor=$titleclr><b>Last accessed</b></td>\n") if ($ENV{'form.attr1'} == 1);      $r->print("<td bgcolor=$titleclr><b>Last accessed</b></td>\n") if ($hash{'display_attrs_1'} == 1);
     $r->print("<td bgcolor=$titleclr><b>Last modified</b></td>\n") if ($ENV{'form.attr2'} == 1);      $r->print("<td bgcolor=$titleclr><b>Last modified</b></td>\n") 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>");
   
     if ($ENV{'form.openuri'} =~ /$uri\&/) {   map {
  my @pathcom = split(/\//,$uri);      if ($_ =~ /^diropen_status_/) {
  pop @pathcom;   my $key = $_;
  my $splituri = join ('/',@pathcom);   $key =~ s/^diropen_status_//;
  $uri = join ('',$splituri,"/");   $dirs{$key} = $hash{$_};
     }      }
    } keys %hash;
   
     my $openuri = $ENV{'form.openuri'};   if ($ENV{'form.openuri'}) {  # take care of review and refresh options
 #    $r->print ("<hr>openuri=$openuri<br>");      my $uri=$ENV{'form.openuri'};
     $openuri =~ s/$uri(.*)\&//g;      if (exists($hash{'diropen_status_'.$uri})) {
 #    $r->print ("<hr>parsed openuri=$openuri<br>");   my $cursta = $hash{'diropen_status_'.$uri};
     @openpath = split(/\&/,$openuri);   $dirs{$uri} = 'open';
 #    $r->print ("<hr>open path=@openpath<br>");   $hash{'diropen_status_'.$uri} = 'open';
     push @openpath, $uri;   if ($cursta eq 'open') {
 #    $r->print ("<hr>append current uri to open path=@openpath<br>");      $dirs{$uri} = 'closed';
     @openpath = sort @openpath;      $hash{'diropen_status_'.$uri} = 'closed';
 #    $r->print ("<hr>sorted open path=@openpath<br>");   }
       } else {
    $hash{'diropen_status_'.$uri} = 'open';
     my $indent = -1;   $dirs{$uri} = 'open';
     &display_line ($r,1,"/res/".$domain."&domain");      }
     &branch ($r,"/res/".$domain."/",$indent,@openpath);   }
   
     $r->print("</table>");  
     $r->print("</td></tr></table>");  
     $r->print("</body></html>\n");  
 #    &display_env($r);  
   
    my $toplevel = "/res/";
    my $indent = 0;
    &scanDir ($r,$toplevel,$indent);
   
    $r->print("<form name='fnum'>");
    $r->print("<input type='hidden' name='fnum' value='$fnum'></form>");
    $r->print("</table>");
    $r->print("</td></tr></table>");
    $r->print("</body></html>\n");
    untie(%hash);
       } else {
    $r->print("Unable to tie hash to db file");
       }
     return OK;      return OK;
 }  }
    
 #    my @packlist=&Apache::lonnet::dirlist($uri);  
 #    print "Dir list<br>".join('<br>',@packlist)."<br>";      # --------------------recursive scan of a directory
   sub scanDir {
 sub branch {      my ($r,$startdir,$indent)=@_;
     my ($r,$uri,$indent,@openuri)=@_;      my ($compuri,$curdir);
     my ($calluri,$line,@list);  
     my ($domusr,$foo,$strip,$testdir,$compuri,$chkdir,$diropen);  
     my $dirptr=16384;      my $dirptr=16384;
     $indent++;      $indent++;
   
     foreach $calluri (@openuri) {      my %dupdirs = %dirs;
  @list=&get_list($r,$uri);      my @list=&get_list($r,$startdir);
  foreach $line (@list) {      foreach my $line (@list) {
     chomp $line;   my ($strip,$dom,$foo,$testdir,$foo)=split(/\&/,$line,5); 
    next if $strip =~ /.*\.meta$/;
     ($strip,$domusr,$foo,$testdir,$foo)=split(/\&/,$line,5);   if ($dom eq "domain") {
     $compuri=join("",$strip,"/");      $compuri = join('',$strip,"/");  # domain list has /res/<domain name>
     $chkdir=$testdir&$dirptr;      $curdir = $compuri;
     if ($domusr eq "domain" or $domusr eq "user") {   } else {
  $chkdir = $dirptr;      $compuri = join('',$startdir,$strip,"/"); # user, dir & file having name only, i.e., w/o path
  $testdir = $dirptr;      $curdir = $startdir;
    }
    my $diropen = 0;
    if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/)) {
       while (my ($key,$val)= each %dupdirs) {
    if ($key eq $compuri and $val eq "open") {
       $diropen = 1;
       delete $dupdirs{key},$dirs{$key};
    }
     }      }
     $diropen = 0;  
     $diropen = 1 if ($compuri eq $calluri);  
     &display_line($r,$diropen,$line,$indent);  
   
     my @securi;  
     push @securi,$calluri;  
     &branch($r,$compuri,$indent,@securi) if ($calluri =~ $compuri and $calluri=~/^$uri/ and $chkdir == $dirptr and $testdir ne "");  
  }   }
    &display_line($r,$diropen,$line,$indent,$curdir,@list);
    &scanDir ($r,$compuri,$indent) if $diropen == 1;
     }      }
     $indent--;      $indent--;
 }  }
   
 # ------ get complete list based on the uri ------  # ----------------- get complete matched list based on the uri ------
 sub get_list {  sub get_list {
     my ($r,$uri)=@_;      my ($r,$uri)=@_;
     my @list;      my @list;
     my $luri=$uri;      my $luri = $uri;
     $luri=~s/\//_/g;      $luri =~ s/\//_/g;
     unlink "/home/httpd/perl/tmp/$ENV{'user.name'}_dirlist*.tmp" if ($ENV{'form.dirlistattr'} eq "Refresh");  
     my $dirlist = "/home/httpd/perl/tmp/$ENV{'user.name'}_dirlist$luri.tmp";      if ($ENV{'form.attrs'} eq "Refresh") {
     if (-e $dirlist) {   map {
  my $FH = Apache::File->new($dirlist);      delete $hash{$_} if ($_ =~ /^dirlist_files_/);
  @list=<$FH>;      } keys %hash;
     } else {  
  @list=&Apache::lonnet::dirlist($uri);  
  my $FH = Apache::File->new(">$dirlist");  
  print $FH join("\n",@list);  
     }      }
     return @list=&match_ext($r,@list);  
 }  
   
 # ------ get previously opened path, if any ------      if ($hash{'dirlist_files'.$luri}) {
 sub get_openpath {   @list = split(/\n/,$hash{'dirlist_files_'.$luri});
     my $uri=shift;  
     my @list;  
     my $openlist = "/home/httpd/perl/tmp/$ENV{'user.name'}_dirlist_open_path.tmp";  
     if (-e $openlist) {  
  my $FH = Apache::File->new($openlist);  
  @list=<$FH>;  
  close ($FH);  
  my $line;  
  my $FH = Apache::File->new(">$openlist");  
  print $FH "$uri\n" if $list[0] eq "";  
  foreach $line (@list) {  
     chomp $line;  
     if ($line eq $uri) {  
  my @pathcom = split(/\//,$uri);  
  pop @pathcom;  
  my $splituri = join ('/',@pathcom);  
  $uri = join ('',$splituri,"/");  
     } else {  
  print $FH "$line\n";  
     }  
  }  
     } else {      } else {
  my $FH = Apache::File->new(">$openlist");   @list = &Apache::lonnet::dirlist($uri);
  print $FH "$uri\n";   $hash{'dirlist_files_'.$luri} = join('\n',@list);
     }      }
     return $uri;      return @list=&match_ext($r,@list);
 }  }
   
   #-------------------------- filters out files based on extensions
 sub match_ext {  sub match_ext {
     my ($r,@packlist)=@_;      my ($r,@packlist)=@_;
     my $line;  
     my @trimlist;      my @trimlist;
     my $nextline;      my $nextline;
     my @fileext;      my @fileext;
Line 201  sub match_ext { Line 342  sub match_ext {
     if (-e $fn) {      if (-e $fn) {
  my $FH=Apache::File->new($fn);   my $FH=Apache::File->new($fn);
  my @content=<$FH>;   my @content=<$FH>;
  foreach $line (@content) {   foreach my $line (@content) {
     (my $ext,my $foo) = split /\s+/,$line;      (my $ext,my $foo) = split /\s+/,$line;
     push @fileext,$ext;      push @fileext,$ext;
  }   }
     }      }
     foreach $line (@packlist) {      foreach my $line (@packlist) {
  my ($foo,$strip) = split(/\/html/,$line);   chomp $line;
  my @unpacklist = split (/\&/,$strip);   $line =~ s/^\/home\/httpd\/html//;
    my @unpackline = split (/\&/,$line);
  my @pathfn = split (/\//,$unpacklist[0]);   next if ($unpackline[0] eq ".");
  my $fndir = $pathfn[scalar(@pathfn)-1];   next if ($unpackline[0] eq "..");
  my @filecom = split (/\./,$fndir);   my @filecom = split (/\./,$unpackline[0]);
  my $curfext = $filecom[scalar(@filecom)-1];   my $fext = pop(@filecom);
  my $fnptr = $unpacklist[3]&$dirptr;   my $fnptr = $unpackline[3]&$dirptr;
   if ($fnptr == 0 and $unpacklist[3] ne "") {    if ($fnptr == 0 and $unpackline[3] ne "") {
     foreach $nextline (@fileext) {      foreach my $nextline (@fileext) {
  push @trimlist,$strip if $nextline eq $curfext;   push @trimlist,$line if $nextline eq $fext;
     }      }
  } else {   } else {
     push @trimlist,$strip;      push @trimlist,$line;
  }   }
     }      }
       @trimlist = sort (@trimlist);
     return @trimlist;      return @trimlist;
 }  }
   
   #------------------- displays one line in appropriate table format
 sub display_line{  sub display_line{
     my ($r,$diropen,$line,$indent)=@_;      my ($r,$diropen,$line,$indent,$startdir,@list)=@_;
     my (@pathfn, $fndir, $fnptr);      my (@pathfn, $fndir, $fnptr);
     my $dirptr=16384;      my $dirptr=16384;
     my $fileclr="#ffffe6";      my $fileclr="#ffffe6";
Line 237  sub display_line{ Line 380  sub display_line{
     my @pathcom = split (/\//,$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 == 1;
   
     my $tabtag="</td>";      my $tabtag="</td>";
     my $nextline;  
     my $i=0;      my $i=0;
   
     while ($i<=5) {      while ($i<=5) {
  my $key="form.attr".$i;  # my $key="form.attr".$i;
  $tabtag=join('',$tabtag,"<td bgcolor=",$fileclr,">&nbsp;</td>") if $ENV{$key} == 1;  # $tabtag=join('',$tabtag,"<td bgcolor=",$fileclr,">&nbsp;</td>") if $ENV{$key} == 1;
    $tabtag=join('',$tabtag,"<td bgcolor=",$fileclr,">&nbsp;</td>") if $hash{'display_attrs_'.$i} == 1;
  $i++;   $i++;
     }      }
   
     if ($filecom[1] eq "domain") {      if ($filecom[1] eq "domain") {
  $r->print("<tr>");   $r->print("<tr>$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].'/');
  $r->print ("<input src=\"$iconpath");   my $anchor = $filecom[0].'/';
  $r->print ("comp.blue.gif\"");   $anchor =~ s/\///g;
  $r->print (" name=\"submit\" height=\"22\" type=\"image\" border=\"0\">\n");   $r->print ("<a name=\"".$anchor."\">\n<input src=\"".$iconpath."comp.blue.gif\"");
    $r->print (" name=\"$msg\" height=\"22\" type=\"image\" border=\"0\">\n");
  $r->print("Domain - $listname $tabtag</tr></form>\n");   $r->print("Domain - $listname $tabtag</tr></form>\n");
  return OK;   return OK;
     }      }
   
     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>\n");
  &begin_form ($r,$filecom[0]);   my $curdir = $startdir.$filecom[0].'/';
  my $count = 0;   &begin_form ($r,$curdir);
  while ($count <= $indent) {   my $anchor = $curdir;
     $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");   $anchor =~ s/\///g;
     $count++;  # $r->print ("<a name=\"$anchor\">\n<img src=",$iconpath,"white_space_20_22.gif border=0>\n");
  }   $r->print ("<a name=\"$anchor\">\n<img src=",$iconpath,"whitespace1.gif border=0>\n");
  $r->print ("<input src=\"$iconpath");   $r->print ("<input src=\"$iconpath");
  $r->print ("folder_pointer_closed.gif\"") if $diropen == 0;   $r->print ("folder_pointer_closed.gif\"") if $diropen == 0;
  $r->print ("folder_pointer_opened.gif\"") if $diropen == 1;   $r->print ("folder_pointer_opened.gif\"") if $diropen == 1;
  $r->print (" name=\"submit\" height=\"22\" type=\"image\" border=\"0\">\n");   $r->print (" name=\"$msg\" height=\"22\" type=\"image\" border=\"0\">\n");
  $r->print("<img src=",$iconpath,"quill.gif border=0>\n");   $r->print ("<img src=",$iconpath,"quill.gif border=0>\n");
  $r->print("$listname $tabtag</tr></form>\n");   $r->print ("$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 $count = 0;   my $filelink = $startdir.$filecom[0];
  $r->print("<tr><td bgcolor=$fileclr>");   $r->print("<tr><td nowrap valign='bottom' bgcolor=$fileclr>");
  while ($count <= $indent) {   my $metafile = grep /^$filecom[0]\.meta\&/, @list;
     $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");   my $title;
           if ($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'>\n");
       $r->print("<input type='hidden' name='title"."' ".
         "value='$title'>\n");
       $r->print("</form>\n");
       $r->print("</td><td valign='bottom' nowrap bgcolor=$fileclr>");
        $fnum++;
    }
   
    if ($indent < 11) {
       $r->print("<img src=",$iconpath,"whitespace",$indent,".gif border=0>\n");
    } else {
       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");   $r->print("<img src=$iconpath$curfext.gif border=0>\n");
  $r->print(" <a href=$filecom[0]>",$listname,"</a> </td>\n");   $r->print(" <a href=$filelink target='_blank'>",$listname,"</a>\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;   $r->print (" (<a href=\"javascript:openWindow('".$filelink.".meta', 'metadatafile', '400', '450', 'no', 'yes')\"; TARGET=_self>metadata</a>) ") if ($metafile == 1);
  $r->print("<td bgcolor=$fileclr valign=bottom> ".(localtime($filecom[10]))." </td>\n") if $ENV{'form.attr2'} == 1;  
    $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 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);
       $r->print("<td bgcolor=$fileclr valign=bottom> ".$author." </td>\n");
    }
    if ($hash{'display_attrs_4'} == 1) {
       my $keywords = &Apache::lonnet::metadata($filelink,'keywords') if ($metafile == 1);
       $keywords = '&nbsp;' if (!$keywords);
       $r->print("<td bgcolor=$fileclr valign=bottom> ".$keywords." </td>\n");
    }
    if ($hash{'display_attrs_5'} == 1) {
       my $lang = &Apache::lonnet::metadata($filelink,'language') if ($metafile == 1);
       $lang = $language{$lang};
       $lang = '&nbsp;' if (!$lang);
       $r->print("<td bgcolor=$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);
  my $curfext = $file_ext[scalar(@file_ext)-1];   my $curfext = $file_ext[scalar(@file_ext)-1];
  $r->print("<tr><td bgcolor=$fileclr valign=bottom>");   my $curdir = $startdir.$filecom[0].'/';
  &begin_form ($r,$filecom[0]);   my $anchor = $curdir;
    $anchor =~ s/\///g;
  my $count = 0;   $r->print("<tr>$extrafield<td bgcolor=$fileclr valign=bottom>");
  while ($count <= $indent) {   &begin_form ($r,$curdir);
     $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");   my $indentm1 = $indent-1;
    if ($indentm1 < 11) {
       $r->print("<img src=",$iconpath,"whitespace",$indentm1,".gif border=0>\n");
    } 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++;      $count++;
       }
       $r->print("<img src=",$iconpath,"whitespace",$rem,".gif border=0>\n") if $rem > 0;
  }   }
    $r->print ("<a name=\"$anchor\">\n<input src=\"$iconpath");
  $r->print ("<input src=\"$iconpath");  
  $r->print ("folder_pointer_closed.gif\"") if $diropen == 0;   $r->print ("folder_pointer_closed.gif\"") if $diropen == 0;
  $r->print ("folder_pointer_opened.gif\"") if $diropen == 1;   $r->print ("folder_pointer_opened.gif\"") if $diropen == 1;
  $r->print (" name=\"submit\" height=\"22\" type=\"image\" border=\"0\">\n");   $r->print (" name=\"$msg\" height=\"22\" type=\"image\" border=\"0\">\n");
  $r->print("<img src=",$iconpath,"folder_closed.gif border=0>\n") if $diropen == 0;   $r->print("<img src=",$iconpath,"folder_closed.gif border=0>\n") if $diropen == 0;
  $r->print("<img src=",$iconpath,"folder_opened.gif border=0>\n") if $diropen == 1;   $r->print("<img src=",$iconpath,"folder_opened.gif border=0>\n") if $diropen == 1;
  $r->print("$listname $tabtag</tr></form>\n");   $r->print("$listname $tabtag</tr></form>\n");
     }      }
   
 }  }
   
   #---------------------prints the beginning of a form for directory or file link
 sub begin_form {  sub begin_form {
     my ($r,$uri) = @_;      my ($r,$uri) = @_;
     my $currenturi = $r->uri;      my $anchor = $uri;
     my $openuri = $ENV{'form.openuri'};      $anchor =~ s/\///g;
     if ($ENV{'form.openuri'} =~ /$currenturi(.*)\&/) {      $r->print ("<form method=\"post\" name=\"dirpath\" action=\"/res/\#$anchor\" enctype=\"application/x-www-form-urlencoded\">\n");
  $openuri =~ s/$currenturi(.*)\&//g;      $r->print ("$hidden<input type=hidden name=openuri value=\"$uri\">\n");
     } else {  
  $currenturi = join ('',$currenturi,"&");  #    for (my $i=0; $i<=5; $i++) {
  $openuri = join ('&',$ENV{'form.openuri'},$currenturi);  # $r->print ("<input type=hidden name=attr$i value=\"1\">\n") if $ENV{'form.attr'.$i} == 1;
  $openuri =~ s/\&+/\&/g;  #    }
     }  
     $r->print ("<form method=\"post\" name=\"dirpath\" action=\"$uri/\" enctype=\"application/x-www-form-urlencoded\">\n");  
     $r->print ("<input type=hidden name=openuri value=\"$openuri\">\n");  
   
     for (my $i=0; $i<=5; $i++) {  
  $r->print ("<input type=hidden name=attr$i value=\"1\">\n") if $ENV{'form.attr'.$i} == 1;  
     }  
 }  
   
 sub display_env {  
     my $r=shift;  
     my %otherenv;  
     $otherenv{'hi'}='there';  
     $otherenv{'does_this'}='work?';  
     &Apache::lonnet::appenv(%otherenv);  
     my $envkey;  
     foreach $envkey (sort keys %ENV) {  
  $r->print("$envkey: $ENV{$envkey}<br>\n");  
     }  
 #    $r->print("<hr>".&Apache::lonnet::ssi('/res/msu/korte/test.tex'));   
 #    $r->print("<hr>".join('<br>',&Apache::lonnet::dirlist('/res/msu/korte/')));  
 }  }
   
 1;  1;
Removed from v.1.1  
changed lines
  Added in v.1.9

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