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Diff for /loncom/interface/lonindexer.pm between versions 1.61 and 1.217

version 1.61, 2003/02/20 19:41:26 version 1.217, 2012/08/25 19:22:59
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # 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  
 #  
 ###  ###
   
 ###############################################################################  ###############################################################################
Line 49 Line 34
 ## 1. Description of functions                                               ##  ## 1. Description of functions                                               ##
 ## 2. Modules used by this module                                            ##  ## 2. Modules used by this module                                            ##
 ## 3. Choices for different output views (detailed, summary, xml, etc)       ##  ## 3. Choices for different output views (detailed, summary, xml, etc)       ##
 ## 4. BEGIN block (to be run once after compilation)                         ##  ## 4. Handling routine called via Apache and mod_perl                        ##
 ## 5. Handling routine called via Apache and mod_perl                        ##  ## 5. Other subroutines                                                      ##
 ## 6. Other subroutines                                                      ##  
 ##                                                                           ##  ##                                                                           ##
 ###############################################################################  ###############################################################################
   
Line 59  package Apache::lonindexer; Line 43  package Apache::lonindexer;
   
 # ------------------------------------------------- modules used by this module  # ------------------------------------------------- modules used by this module
 use strict;  use strict;
 use Apache::lonnet();  use Apache::lonnet;
 use Apache::loncommon();  use Apache::loncommon();
   use Apache::lonhtmlcommon();
   use Apache::lonsequence();
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   use Apache::lonmeta;
 use Apache::File;  use Apache::File;
   use Apache::lonlocal;
   use Apache::lonsource();
   use Apache::groupsort();
 use GDBM_File;  use GDBM_File;
   use LONCAPA qw(:match);
   
 # ---------------------------------------- variables used throughout the module  # ---------------------------------------- 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 %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  # ----- Values which are set by the handler subroutine and are accessible to
 # -----     other methods.  # -----     other methods.
 my $extrafield; # default extra table cell  my $extrafield; # default extra table cell
Line 81  my @Only = (); Line 73  my @Only = ();
 my @Omit = ();  my @Omit = ();
   
   
   
   
 # ----------------------------- Handling routine called via Apache and mod_perl  # ----------------------------- Handling routine called via Apache and mod_perl
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     $r->content_type('text/html');      my $c = $r->connection();
       &Apache::loncommon::content_type($r,'text/html');
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($r);
     $r->send_http_header;      $r->send_http_header;
     return OK if $r->header_only;      return OK if $r->header_only;
     $fnum=0;      $fnum=0;
     $dnum=0;      $dnum=0;
     untie %hash;  
   
     # Deal with stupid global variables (is there a way around making      # Deal with stupid global variables (is there a way around making
     # these global to this package?  It is just so wrong....)      # these global to this package?  It is just so wrong....)
     undef (@Only);      undef (@Only);
     undef (@Omit);      undef (@Omit);
       %fieldnames=&Apache::lonmeta::fieldnames();
   
 # ------------------------------------- read in machine configuration variables  # ------------------------------------- read in machine configuration variables
     my $iconpath= $r->dir_config('lonIconsURL') . "/";      my $iconpath= $r->dir_config('lonIconsURL') . "/";
Line 107  sub handler { Line 102  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';  #SB my $fileclr='#ffffe6';
     my $line;      my $line;
     my (@attrchk,@openpath);      my (@attrchk,@openpath,$typeselect);
     my $uri=$r->uri;      my $uri=$r->uri;
   
 # -------------------------------------- see if called from an interactive mode  # -------------------------------------- see if called from an interactive mode
     # Get the parameters from the query string      # Get the parameters from the query string
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
      ['catalogmode','launch','acts','mode','form','element',       ['catalogmode','launch','acts','mode','form','element',
               'only','omit']);                'only','omit','titleelement']);
     #-------------------------------------------------------------------      #-------------------------------------------------------------------
     my $closebutton='';      my $closebutton='';
     my $groupimportbutton='';      my $groupimportbutton='';
     my $colspan='';       my $colspan=''; 
       
     $extrafield='';      $extrafield='';
     my $diropendb =       my $diropendb = LONCAPA::tempdir() .
  "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";   "$env{'user.domain'}_$env{'user.name'}_sel_res.db";
       %hash = ();
     if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {      {
  if ($ENV{'form.launch'} eq '1') {   my %dbfile;
     &start_fresh_session();   if (tie(%dbfile,'GDBM_File',$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);
    }
       
       {
     #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 $js = <<ENDSUBM;
          <script type="text/javascript">
    function load() {
    window.opener.document.forms["$env{'form.form'}"]
       .elements["$env{'form.element'}"]
       .value='$env{'form.acts'}';
    $extra
    window.close();
    }
             </script>
   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)  # -------------------- 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  # --------------------- define extra fields and buttons in case of special mode
  if ($ENV{'form.catalogmode'} eq 'interactive') {   if ($env{'form.catalogmode'} eq 'interactive') {
     $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.  #SB    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
  '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.              $extrafield='<td class="LC_bottom">'.
  ' border="0" /></td>';   '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
    ' class="LC_icon" /></td>';
     $colspan=" colspan='2' ";      $colspan=" colspan='2' ";
               my $cl=&mt('Close');
             $closebutton=<<END;              $closebutton=<<END;
 <input type="button" name="close" value='CLOSE' onClick="self.close()">  <input type="button" name="close" value='$cl' onclick="self.close()" />
 END  END
         }          }
  elsif ($ENV{'form.catalogmode'} eq 'groupimport') {   elsif ($env{'form.catalogmode'} eq 'import') {
     $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.  #SB    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
  '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.              $extrafield='<td class="LC_bottom">'.
  ' border="0" /></td>';   '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
    ' class="LC_icon" /></td>';
     $colspan=" colspan='2' ";      $colspan=" colspan='2' ";
       my $cl=&mt('Close');
               my $gi=&mt('Import');
             $closebutton=<<END;              $closebutton=<<END;
 <input type="button" name="close" value='CLOSE' onClick="self.close()">  <input type="button" name="close" value='$cl' onclick="self.close()" />
 END  END
             $groupimportbutton=<<END;              $groupimportbutton=<<END;
 <input type="button" name="groupimport" value='GROUP IMPORT'  <input type="button" name="groupimport" value='$gi'
 onClick="javascript:select_group()">  onclick="javascript:select_group()" />
 END  END
         }          }
  # Additions made by Matthew to make the browser a little easier to deal   # Additions made by Matthew to make the browser a little easier to deal
Line 164  END Line 211  END
  #       selection is made.   #       selection is made.
  # $element is the name of the element in $formname which receives   # $element is the name of the element in $formname which receives
  #       the URL.   #       the URL.
  # &Apache::lonxml::debug('Checking mode, form, element');   #&Apache::lonxml::debug('Checking mode, form, element');
  &setvalues(\%hash,'form.mode'   ,\%ENV,'form.mode'   );   &setvalues(\%hash,'form.mode'        ,\%env,'form.mode'   );
  &setvalues(\%hash,'form.form'   ,\%ENV,'form.form'   );   &setvalues(\%hash,'form.form'        ,\%env,'form.form'   );
  &setvalues(\%hash,'form.element',\%ENV,'form.element');   &setvalues(\%hash,'form.element'     ,\%env,'form.element');
  &setvalues(\%hash,'form.only'   ,\%ENV,'form.only'   );   &setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
  &setvalues(\%hash,'form.omit'   ,\%ENV,'form.omit'   );   &setvalues(\%hash,'form.only'        ,\%env,'form.only'   );
    &setvalues(\%hash,'form.omit'        ,\%env,'form.omit'   );
   
         # Deal with 'omit' and 'only'           # Deal with 'omit' and 'only' 
         if (exists $ENV{'form.omit'}) {          if (exists $env{'form.omit'}) {
             @Omit = split(',',$ENV{'form.omit'});              @Omit = split(',',$env{'form.omit'});
         }          }
         if (exists $ENV{'form.only'}) {          if (exists $env{'form.only'}) {
             @Only = split(',',$ENV{'form.only'});              @Only = split(',',$env{'form.only'});
         }          }
                   
  my $mode = $ENV{'form.mode'};   my $mode = $env{'form.mode'};
  my ($form,$element);   my ($form,$element,$titleelement);
  if ($mode eq 'edit' || $mode eq 'parmset') {   if ($mode eq 'edit' || $mode eq 'parmset') {
     $form    = $ENV{'form.form'};      $form         = $env{'form.form'};
     $element = $ENV{'form.element'};      $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  # ------ set catalogmodefunctions to have extra needed javascript functionality
  my $catalogmodefunctions='';   my $catalogmodefunctions='';
  if ($ENV{'form.catalogmode'} eq 'interactive' or   if ($env{'form.catalogmode'} eq 'interactive' or
     $ENV{'form.catalogmode'} eq 'groupimport') {      $env{'form.catalogmode'} eq 'import') {
     # The if statement below sets us up to use the old version      # The if statement below sets us up to use the old version
     # by default (ie. if $mode is undefined).  This is the easy      # by default (ie. if $mode is undefined).  This is the easy
     # way out.  Hopefully in the future I'll find a way to get       # way out.  Hopefully in the future I'll find a way to get 
Line 200  END Line 249  END
 #  #
 #  #
     if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {      if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
                 my $location = "/adm/groupsort?catalogmode=groupimport&";                  my $location = "/adm/groupsort?&inhibitmenu=yes&catalogmode=import&";
                 $location .= "mode=".$mode."&";                  $location .= "mode=".$mode."&";
                 $location .= "acts=";                  $location .= "acts=";
  $catalogmodefunctions=<<"END";   $catalogmodefunctions=<<"END";
 function select_data(title,url) {  function select_data(url) {
     changeTitle(title);  
     changeURL(url);      changeURL(url);
     self.close();      self.close();
 }  }
 function select_group() {  function select_group() {
     window.location="$location"+document.forms.fileattr.acts.value;      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) {  function changeURL(val) {
     if (opener.inf) {      if (opener.inf) {
         if (opener.inf.document.forms.resinfo.elements.u) {          if (opener.inf.document.forms.resinfo.elements.u) {
Line 232  END Line 273  END
                 $location .= "form=$form&element=$element&mode=edit&acts=";                  $location .= "form=$form&element=$element&mode=edit&acts=";
  $catalogmodefunctions=<<END;   $catalogmodefunctions=<<END;
 // mode = $mode  // mode = $mode
 function select_data(title,url) {  function select_data(url) {
     changeURL(url);     var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
     self.close();     window.location=location;
      if (window.opener.document.forms["$form"].elements["$element"].value != url) {
          window.opener.unClean();
      }
 }  }
   
 function select_group() {  function select_group() {
     window.location="$location"+document.forms.fileattr.acts.value;      window.location="$location"+document.forms.fileattr.acts.value;
 }  }
Line 248  function changeURL(val) { Line 291  function changeURL(val) {
     alert("The file you selected is: "+val);      alert("The file you selected is: "+val);
     }      }
 }  }
   
 END  END
                   if (!$titleelement) {
       $catalogmodefunctions.='function changeTitle(val) {}';
    } else {
       $catalogmodefunctions.=<<END;
   function changeTitle(val) {
       if (window.opener.document) {
       window.opener.document.forms["$form"].elements["$titleelement"].value=val;
       } else {
       alert("The title of the file you selected is: "+val);
       }
   }
   END
                   }
             } elsif ($mode eq 'parmset') {              } elsif ($mode eq 'parmset') {
                 my $location = "/adm/groupsort?catalogmode=interactive&";                  my $location = "/adm/groupsort?catalogmode=interactive&";
                 $location .= "form=$form&element=$element&mode=parmset&acts=";                  $location .= "form=$form&element=$element&mode=parmset&acts=";
  $catalogmodefunctions=<<END;   $catalogmodefunctions=<<END;
 // mode = $mode  // mode = $mode
 function select_data(title,url) {  function select_data(url) {
     changeURL(url);      changeURL(url);
     self.close();      self.close();
 }  }
Line 266  function select_group() { Line 321  function select_group() {
   
 function changeURL(val) {  function changeURL(val) {
     if (window.opener.document) {      if (window.opener.document) {
         var elementname  = "$element"+"_value";          var elementname  = "$element";
         var checkboxname = "$element"+"_setparmval";  
  window.opener.document.forms["$form"].elements[elementname].value=val;   window.opener.document.forms["$form"].elements[elementname].value=val;
         window.opener.document.forms["$form"].elements[checkboxname].checked=true;  
     } else {      } else {
     alert("The file you selected is: "+val);      alert("The file you selected is: "+val);
     }      }
Line 284  function rep_dirpath(suffix,val) { Line 337  function rep_dirpath(suffix,val) {
     eval("document.forms.dirpath"+suffix+".acts.value=val");      eval("document.forms.dirpath"+suffix+".acts.value=val");
 }  }
 END  END
  if ($ENV{'form.catalogmode'} eq 'groupimport') {   if ($env{'form.catalogmode'} eq 'import') {
             $catalogmodefunctions.=<<END;              $catalogmodefunctions.=<<END;
 function queue(val) {  function queue(val) {
     if (eval("document.forms."+val+".filelink.checked")) {      if (eval("document.forms."+val+".filelink.checked")) {
Line 301  function queue(val) { Line 354  function queue(val) {
 END  END
  }   }
   
           my $inhibit_menu = "+'&".&Apache::loncommon::inhibit_menu_check()."'";
 # ---------------------------------------------------------------- Print Header  # ---------------------------------------------------------------- Print Header
  $r->print(<<ENDHEADER);          
 <html>   my $js = <<"ENDHEADER";
 <head>  
 <title>The LearningOnline Network With CAPA Directory Browser</title>  
   
 <script type="text/javascript">  <script type="text/javascript">
 $catalogmodefunctions  // <![CDATA[
 function openWindow(url, wdwName, w, h, toolbar,scrollbar) {  $catalogmodefunctions;
     var options = "width=" + w + ",height=" + h + ",";  function update_only(field) {
       alert(field.name);
   }
   function checkAll() {
       var numForms = document.forms.length;
       for (i=0;i<numForms;i++) {
           var numElements = document.forms[i].elements.length;
           for (j=0;j<numElements;j++){
               var fieldName = document.forms[i].elements[j].name;
               if (fieldName == 'filelink') {
                   document.forms[i].elements[j].checked = true;
                   queue(document.forms[i].name);
               }
           }
       }
   }
   function uncheckAll() {
       var numForms = document.forms.length;
       for (i=0;i<numForms;i++) {
           var numElements = document.forms[i].elements.length;
           for (j=0;j<numElements;j++){
               var fieldName = document.forms[i].elements[j].name;
               if (fieldName == 'filelink') {
                   document.forms[i].elements[j].checked = false;
                   queue(document.forms[i].name);
               }
           }
       }
   }
   
   function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
       var xpos = (screen.width-w)/2;
       xpos = (xpos < 0) ? '0' : xpos;
       var ypos = (screen.height-h)/2-30;
       ypos = (ypos < 0) ? '0' : ypos;
       var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
     options += "resizable=yes,scrollbars="+scrollbar+",status=no,";      options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
     options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";      options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
     var newWin = window.open(url, wdwName, options);      var newWin = window.open(url, wdwName, options);
     newWin.focus();      newWin.focus();
 }  }
   
 function gothere(val) {  function gothere(val) {
     window.location=val+'?acts='+document.forms.fileattr.acts.value;      window.location=val+'?acts='+document.forms.fileattr.acts.value$inhibit_menu;
 }  }
   // ]]>
 </script>  </script>
   
 </head>  
 ENDHEADER  ENDHEADER
 $r->print(&Apache::loncommon::bodytag('Browse Resources'));  
 # - Evaluate actions from previous page (both cumulatively and chronologically)          my ($headerdom)=($uri=~m{^/res/($match_domain)/});
         if ($ENV{'form.catalogmode'} eq 'groupimport') {  
     my $acts=$ENV{'form.acts'};          if ($env{'form.catalogmode'}) {
     my @Acts=split(/b/,$acts);              # "Popup mode"
     my %ahash;              $r->print(&Apache::loncommon::start_page('Browse published resources',$js,
     my %achash;                                                       {'only_body' => 1, 'add_wishlist'=>1, 'add_modal' =>1, 
     my $ac=0;                                                        'domain' => $headerdom,}));
     # some initial hashes for working with data          } else {
     foreach (@Acts) {              # Only display page header and breadcrumbs in non-popup mode
  my ($state,$ref)=split(/a/);              &Apache::lonhtmlcommon::clear_breadcrumbs();
  $ahash{$ref}=$state;              &Apache::lonhtmlcommon::add_breadcrumb({
  $achash{$ref}=$ac;                  'text'  => 'Browse published resources',
  $ac++;                  'href'  => '/res/'.$headerdom.'/?launch=1',
     }              });
     # sorting through the actions and changing the tied database hash              $r->print(&Apache::loncommon::start_page('Browse published resources',$js,
     foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {                                                       {'domain' => $headerdom,})
  my $key=$_;                       .&Apache::lonhtmlcommon::breadcrumbs()
  if ($ahash{$key} eq '1') {              );
     $hash{'store_'.$hash{'pre_'.$key.'_link'}}=          }
  $hash{'pre_'.$key.'_title'};  
     $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=  # ---------------------------------- get state of file types to be showing
  $hash{'storectr'}+0;   if ($env{'form.only'}) {
     $hash{'storectr'}++;      $typeselect = $env{'form.only'};
  }   } else {
  if ($ahash{$key} eq '0') {      $typeselect = '';
     if ($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'};  
  }  
     }  
  }   }
   
 # ---------------------------------- get state of file attributes to be showing  # ---------------------------------- get state of file attributes to be showing
  if ($ENV{'form.attrs'} ne '') {   if ($env{'form.attrs'}) {
     for (my $i=0; $i<=8; $i++) {      for (my $i=0; $i<=16; $i++) {
  delete $hash{'display_attrs_'.$i};   delete $hash{'display_attrs_'.$i};
  if ($ENV{'form.attr'.$i} == 1) {   if ($env{'form.attr'.$i} == 1) {
     $attrchk[$i] = 'checked';      $attrchk[$i] = 'checked';
     $hash{'display_attrs_'.$i} = 1;      $hash{'display_attrs_'.$i} = 1;
  }   }
     }      }
  } else {   } else {
     for (my $i=0; $i<=8; $i++) {      for (my $i=0; $i<=16; $i++) {
  $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;   $attrchk[$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 = '<label>'.&mt('File Type Displayed: [_1]',
                                             $type_element).'</label>';
   
 # ------------------------------- output state of file attributes to be showing  # ------------------------------- output state of file attributes to be showing
  $r->print(<<END);  #                                 All versions has to the last item
 <form method="post" name="fileattr" action="$uri"  #                                 since it does not take an extra col
  enctype="application/x-www-form-urlencoded">   my %lt=&Apache::lonlocal::texthash(
 <b><font color="#666666">Display file attributes</font></b><br />     'av' => 'All versions',
 <table border=0><tr>     'ud' => 'Update Display',
 <td><input type="checkbox" name="attr0" value="1" $attrchk[0] /> Title</td>     'pr' => 'Problems',
 <td><input type="checkbox" name="attr1" value="1" $attrchk[1] /> Size</td>     'gr' => 'Graphics',
 <td><input type="checkbox" name="attr2" value="1" $attrchk[2] /> Last access</td>     'at' => 'All types',
 <td><input type="checkbox" name="attr3" value="1" $attrchk[3] /> Last modified</td>     'hd' => 'Display Options'
 <td rowspan="2"><input type="checkbox" name="attr8" value="1" $attrchk[8] /> Show Resource</td></tr><tr>     );
 <td><input type="checkbox" name="attr4" value="1" $attrchk[4] /> Author</td>          my @disp_order = ('0','4','5','6','13','1','2','3','10','14','8','11','7','12','15','16');
 <td><input type="checkbox" name="attr5" value="1" $attrchk[5] /> Keywords</td>          my %disp_options = &Apache::lonlocal::texthash (
 <td><input type="checkbox" name="attr6" value="1" $attrchk[6] /> Language</td>                                0  => 'Title',
 <td><input type="checkbox" name="attr7" value="1" $attrchk[7] /> All versions</td>                                4  => 'Author',
 </tr></table>                                5  => 'Keywords',
 <input type="hidden" name="dirPointer" value="on" />                                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;
    $r->print('
   <form method="post" name="fileattr" action="'.$uri.'" enctype="application/x-www-form-urlencoded">
   <fieldset>
   <legend>'.$lt{'hd'}.'</legend>
   <table style=" border-collapse: collapse; border-style: none;">'."\n");
           foreach my $item (@disp_order) {
               my $style = 'padding-left: 12px; padding-right: 8px;';
               if ($cell%$numinrow == 0) {
                   $r->print('<tr>');
               }
               $cell ++;
               if ($cell > 3 * $numinrow) {
                   $style .= ' padding-bottom: 6px;'; 
               }
               if (defined($disp_options{$item})) {
                   $r->print('<td style="'.$style.'"><span class="LC_nobreak">'.
                             '<label><input type="checkbox" name="attr'.$item.'" value="1" '.
                             $attrchk[$item].' onclick="this.form.submit();" /> '.$disp_options{$item}.
                             '</label></span></td>'."\n");
               }
               if ($cell > 1 && $cell%$numinrow == 0) {
                   $r->print('</tr>');
               }
           }
           $r->print(<<END);
   <tr>
   <td style="font-style: italic; border-top: 1px solid black; padding-top: 6px"> 
   <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onclick="this.form.submit();" /> $lt{'av'}</label>
   </td>
   <td colspan="3" style="padding-left:8px; padding-top: 4px; font-style: italic; border-top: 1px solid black; padding-top: 8px">$type_selector</td>
   </tr>
   </table>
   <input type="hidden" name="attrs" value="1" />
   </fieldset>
   <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
 <input type="hidden" name="acts" value="" />  <input type="hidden" name="acts" value="" />
 <input type="submit" name="attrs" value="Review" />&nbsp;  $closebutton $groupimportbutton
 <input type="submit" name="attrs" value="Refresh" />  
 $closebutton  
 $groupimportbutton  
 </form>  
 END  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(
               '<p>'
              .&Apache::lonhtmlcommon::crumbs(
                   $storeuri,
                   '',
                   '',
                   (($env{'form.catalogmode'} eq 'import')?
                                    'document.forms.fileattr':''))
              .'<br />'
              .&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();')
              .'</p>'
           );
   # -------------------------------------------------------- Resource Home Button
    my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
    if ($reshome) {
       $r->print("<span class=\"LC_fontsize_large\"><a href='");
       if ($env{'form.catalogmode'} eq 'import') {
    $r->print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();');
       } else {
    $r->print($reshome);
       }
       $r->print("'>".&mt('Home').'</a></span>');
    }
    $r->print('</form>');
   # ------------------------------------------------------ Remember where we were
    &Apache::loncommon::storeresurl($storeuri);
    &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
   # -------------------------------------------------- Check All and Uncheck all
    if ($env{'form.catalogmode'} eq 'import') {
       $r->print('<p><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onclick="javascript:checkAll()" />');
       $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onclick="javascript:uncheckAll()" /></p>');
    }
 # ----------------- output starting row to the indexed file/directory hierarchy  # ----------------- output starting row to the indexed file/directory hierarchy
         my $titleclr="#ddffff";          #$r->print(&initdebug());
 #        $r->print(&initdebug());          #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
 #        $r->print(&writedebug("Omit:@Omit")) if (@Omit);          #$r->print(&writedebug("Only:@Only")) if (@Only);
 #        $r->print(&writedebug("Only:@Only")) if (@Only);          $r->print(&Apache::loncommon::start_data_table("LC_tableBrowseRes")
         $r->print("<table width='100\%' border=0><tr><td bgcolor=#777777>\n");                   .&Apache::loncommon::start_data_table_header_row());
  $r->print("<table width='100\%' border=0><tr bgcolor=$titleclr>\n");   $r->print("<th $colspan>".&mt('Name')."</th>\n");
  $r->print("<td $colspan><b>Name</b></td>\n");   $r->print("<th></th>\n");
  $r->print("<td><b>Title</b></td>\n")    $r->print("<th>".&mt('Title')."</th>\n") 
     if ($hash{'display_attrs_0'} == 1);      if ($hash{'display_attrs_0'} == 1);
  $r->print("<td align=right><b>Size (bytes) ".   $r->print('<th class="LC_right">'.&mt("Size")." (".&mt("bytes").") ".
   "</b></td>\n") if ($hash{'display_attrs_1'} == 1);    "</th>\n") if ($hash{'display_attrs_1'} == 1);
  $r->print("<td><b>Last accessed</b></td>\n")    $r->print("<th>".&mt("Last accessed")."</th>\n") 
     if ($hash{'display_attrs_2'} == 1);      if ($hash{'display_attrs_2'} == 1);
  $r->print("<td><b>Last modified</b></td>\n")   $r->print("<th>".&mt("Last modified")."</th>\n")
     if ($hash{'display_attrs_3'} == 1);      if ($hash{'display_attrs_3'} == 1);
  $r->print("<td><b>Author(s)</b></td>\n")   $r->print("<th>".&mt("Author(s)")."</th>\n")
     if ($hash{'display_attrs_4'} == 1);      if ($hash{'display_attrs_4'} == 1);
  $r->print("<td><b>Keywords</b></td>\n")   $r->print("<th>".&mt("Keywords")."</th>\n")
     if ($hash{'display_attrs_5'} == 1);      if ($hash{'display_attrs_5'} == 1);
  $r->print("<td><b>Language</b></td>\n")   $r->print("<th>".&mt("Language")."</th>\n")
     if ($hash{'display_attrs_6'} == 1);      if ($hash{'display_attrs_6'} == 1);
  $r->print("<td><b>Resource</b></td>\n")   $r->print("<th>".&mt("Usage Statistics")." <br />(".
     &mt("Courses/Network Hits").") ".&mt('updated periodically')."</th>\n")
     if ($hash{'display_attrs_8'} == 1);      if ($hash{'display_attrs_8'} == 1);
  $r->print('</tr>');   $r->print("<th>".&mt("Source Available")."</th>\n")
       if ($hash{'display_attrs_10'} == 1);
    $r->print("<th>".&mt("Linked/Related Resources")."</th>\n")
       if ($hash{'display_attrs_11'} == 1);
    $r->print("<th>".&mt("Resource")."</th>\n")
       if ($hash{'display_attrs_7'} == 1);
    $r->print("<th>".&mt("Subject")."</th>\n")
       if ($hash{'display_attrs_12'} == 1);
    $r->print("<th>".&mt("Notes")."</th>\n")
       if ($hash{'display_attrs_13'} == 1);
    $r->print("<th>".&mt("Abstract")."</th>\n")
       if ($hash{'display_attrs_14'} == 1);
    $r->print("<th>".&mt("Grade Level")."</th>\n")
       if ($hash{'display_attrs_15'} == 1);
    $r->print("<th>".&mt("Standards")."</th>\n")
       if ($hash{'display_attrs_16'} == 1);
       
       $r->print(&Apache::loncommon::end_data_table_header_row());
       
      
   
 # ----------------- read in what directories have previously been set to "open"  # ----------------- read in what directories have previously been set to "open"
  foreach (keys %hash) {   foreach (keys %hash) {
Line 440  END Line 638  END
     }      }
  }   }
   
  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($hash{'diropen_status_'.$uri})) {      if (exists($hash{'diropen_status_'.$uri})) {
  my $cursta = $hash{'diropen_status_'.$uri};   my $cursta = $hash{'diropen_status_'.$uri};
  $dirs{$uri} = 'open';   $dirs{$uri} = 'open';
Line 456  END Line 654  END
     }      }
  }   }
   
  my $bredir = $ENV{'form.dirPointer'};  
  my $toplevel;   my $toplevel;
  my $indent = 0;   my $indent = 0;
  $uri = $uri.'/' if $uri !~ /.*\/$/;   $uri = $uri.'/' if $uri !~ /.*\/$/;
   
  if ($bredir ne 'on') {    if ($env{'form.dirPointer'} ne 'on') {
     $hash{'top.level'} = $uri;       $hash{'top.level'} = $uri;
     $toplevel = $uri;       $toplevel = $uri;
     } else {
  } else {       $toplevel = $hash{'top.level'};
     $toplevel = $hash{'top.level'};    }
  }  
   
 # -------------------------------- if not at top level, provide an uplink arrow  # -------------------------------- if not at top level, provide an uplink arrow
  if ($toplevel ne '/res/'){   if ($toplevel ne '/res/'){
Line 481  END Line 677  END
   
 # -------- recursively go through all the directories and output as appropriate  # -------- recursively go through all the directories and output as appropriate
  &scanDir ($r,$toplevel,$indent,\%hash);   &scanDir ($r,$toplevel,$indent,\%hash);
   
 # ---------------------------- embed hidden information useful for group import  
  $r->print("<form name='fnum'>");  
  $r->print("<input type='hidden' name='fnum' value='$fnum'></form>");  
   
 # -------------------------------------------------------------- end the tables  # -------------------------------------------------------------- end the tables
  $r->print('</table>');          $r->print(&Apache::loncommon::end_data_table());
  $r->print('</td></tr></table>');  
   # ---------------------------- embed hidden information useful for group import
    $r->print("<form name='fnum' action=''>");
    $r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
   
 # --------------------------------------------------- end the output and return  # --------------------------------------------------- end the output and return
  $r->print('</body></html>'."\n");   $r->print(&Apache::loncommon::end_page()."\n");
  untie(%hash);      }
     } else {      if(! $c->aborted()) {
  $r->print('<html><head></head><body>Unable to tie hash to db '.  # write back into the temporary file
   'file</body></html>');   my %dbfile;
  return OK;          if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
               while (my($key,$value) = each(%hash)) {
                   $dbfile{$key}=$value;
               }
               untie(%dbfile);
           }
     }      }
   
     return OK;      return OK;
 }  }
   
 # ----------------------------------------------- recursive scan of a directory  # ----------------------------------------------- recursive scan of a directory
 sub scanDir {  sub scanDir {
     my ($r,$startdir,$indent,$hashref)=@_;      my ($r,$startdir,$indent,$hashref)=@_;
       my $c = $r->connection();
     my ($compuri,$curdir);      my ($compuri,$curdir);
     my $dirptr=16384;      my $dirptr=16384;
       my $obs;
     $indent++;      $indent++;
   
     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,$dom,undef,$testdir,undef)=split(/\&/,$line,5);           return if ($c->aborted());
  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$/ | $obs eq '1');
  my (@fileparts) = split(/\./,$strip);   my (@fileparts) = split(/\./,$strip);
  if ($hash{'display_attrs_7'} != 1) {   if ($hash{'display_attrs_9'} != 1) {
               # if not all versions to be shown
     if (scalar(@fileparts) >= 3) {      if (scalar(@fileparts) >= 3) {
  my $fext = pop @fileparts;   my $fext = pop @fileparts;
  my $ov = pop @fileparts;   my $ov = pop @fileparts;
  my $fname = join ('.',@fileparts,$fext);   my $fname = join ('.',@fileparts,$fext);
  next if (grep /$fname/,@list and $ov =~ /\d+/);   next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
     }      }
  }   }
   
  if ($dom eq 'domain') {   if ($dom eq 'domain') {
     $compuri = join('',$strip,'/');  # dom list has /res/<domain name>      # dom list has full path /res/<domain name>/ already
     $curdir = $compuri;      $curdir='';
       $compuri = (split(/\&/,$line))[0];
  } else {   } else {
     # user, dir & file have name only, i.e., w/o path      # user, dir & file have name only, i.e., w/o path
     $compuri = join('',$startdir,$strip,'/');      $compuri = join('',$startdir,$strip,'/');
     $curdir = $startdir;      $curdir = $startdir;
  }   }
  my $diropen = 'closed';   my $diropen = 'closed';
  if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/)) {   if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
     while (my ($key,$val)= each %dupdirs) {      while (my ($key,$val)= each %dupdirs) {
  if ($key eq $compuri and $val eq "open") {   if ($key eq $compuri and $val eq "open") {
     $diropen = "opened";      $diropen = "opened";
Line 550  sub scanDir { Line 756  sub scanDir {
 # --------------- get complete matched list based on the uri (returns an array)  # --------------- get complete matched list based on the uri (returns an array)
 sub get_list {  sub get_list {
     my ($r,$uri)=@_;      my ($r,$uri)=@_;
     my @list;      my @list=();
       my $listerror;
       
     (my $luri = $uri) =~ s/\//_/g;      (my $luri = $uri) =~ s/\//_/g;
       if ($env{'form.updatedisplay'}) {
     if ($ENV{'form.attrs'} eq 'Refresh') {  
  foreach (keys %hash) {   foreach (keys %hash) {
     delete $hash{$_} if ($_ =~ /^dirlist_files_/);      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});   @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 {      } else {
  @list = &Apache::lonnet::dirlist($uri);  # is really a directory
  $hash{'dirlist_files_'.$luri} = join('\n',@list);   (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;
       }
   #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')) { 
           $r->print("<p class='LC_info'>" . &mt("Directory does not exist."). "</p>");
       } elsif ($listerror eq 'con_lost') {
           $r->print("<p class='LC_info'>" . &mt("Directory temporarily not accessible."). "</p>");
     }      }
     return @list=&match_ext($r,@list);  
       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 {  sub initdebug {
       my $start_page=
    &Apache::loncommon::start_page('Debug',undef,
          {'only_body' => 1,});
       $start_page =~ s/\n/ /g;
     return <<ENDJS;      return <<ENDJS;
 <script>  <script type="text/javascript">
 var debugging = true;  var debugging = true;
 if (debugging) {  if (debugging) {
     var debuggingWindow = window.open('','Debug','width=400,height=300',true);      var debuggingWindow = window.open('','Debug','width=400,height=300',true);
Line 581  function output(text) { Line 837  function output(text) {
         debuggingWindow.document.writeln(text);          debuggingWindow.document.writeln(text);
     }      }
 }  }
 output("<html><head><title>Debugging Window</title></head><body><pre>");     output('$start_page<pre>');   
 </script>  </script>
 ENDJS  ENDJS
 }  }
   
 sub writedebug {  sub writedebug {
     my $text = shift;      my ($text) = @_;
     return "<script>output('$text');</script>";      return "<script type=\"text/javascript\">output('$text');</script>";
 }  }
   
 # -------------------- filters out files based on extensions (returns an array)  # -------------------- filters out files based on extensions (returns an array)
Line 607  sub match_ext { Line 863  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);
  my $fnptr = $unpackline[3]&$dirptr;   my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
   if ($fnptr == 0 and $unpackline[3] ne "") {    if ($fnptr == 0 and $unpackline[3] ne "") {
     my $embstyle = &Apache::loncommon::fileembstyle($fext);      my $embstyle = &Apache::loncommon::fileembstyle($fext);
             push @trimlist,$line if (defined($embstyle) &&               push @trimlist,$line if (defined($embstyle) && 
Line 616  sub match_ext { Line 872  sub match_ext {
     push @trimlist,$line;      push @trimlist,$line;
  }   }
     }      }
     @trimlist = sort (@trimlist);      @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
     return @trimlist;      return @trimlist;
 }  }
   
Line 624  sub match_ext { Line 880  sub match_ext {
 sub display_line {  sub display_line {
     my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;      my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
     my (@pathfn, $fndir);      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 $dirptr=16384;
     my $fileclr="#ffffe6";  #SB my $fileclr="#ffffe6";
     my $iconpath= $r->dir_config('lonIconsURL') . '/';      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';      my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
     $msg = 'Close '.$filecom[0].' directory' if $diropen eq 'opened';      $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
       my $nowOpen = ($diropen eq 'opened' ? 1 : 0);
   
     my $tabtag='</td>';      my $tabtag='</td>';
     my $i=0;      my $i=0;
       while ($i<=16) {
     while ($i<=6) {  
  $tabtag=join('',$tabtag,"<td>&nbsp;</td>")   $tabtag=join('',$tabtag,"<td>&nbsp;</td>")
     if $hash{'display_attrs_'.$i} == 1;      if ($i != 9 &&
    $hash{'display_attrs_'.$i} == 1);
  $i++;   $i++;
     }      }
       my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
   
 # display uplink arrow  # display uplink arrow
     if ($filecom[1] eq 'viewOneUp') {      if ($filecom[1] eq 'viewOneUp') {
  $r->print("<tr bgcolor=$fileclr>$extrafield");   my $updir=$startdir;
  $r->print("<td valign=bottom>\n");  # -------------- Filter out sequence containment in crumbs and "recent folders"
  $r->print ('<form method="post" name="dirpathUP" action="'.$startdir.   $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
    $updir=~s/\/+/\//g;
   
   #SB $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
           $r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?
           $r->print($extrafield);
    $r->print("<td>\n");
    $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
    '/" '.     '/" '.
    'onSubmit="return rep_dirpath(\'UP\','.     'onsubmit="return rep_dirpath(\'UP\','.
    'document.forms.fileattr.acts.value)" '.     'document.forms.fileattr.acts.value)" '.
    'enctype="application/x-www-form-urlencoded"'.     'enctype="application/x-www-form-urlencoded"'.
                    '>'."\n");                     '>'."\n");
  $r->print ('<input type=hidden name=openuri value="'.   $r->print(&Apache::loncommon::inhibit_menu_check('input'));
    $startdir.'">'."\n");   $r->print ('<input type="hidden" name="openuri" value="'.
  $r->print ('<input type="hidden" name="acts" value="">'."\n");     $startdir.'" />'."\n");
  $r->print ('<input src="'.$iconpath.'arrow_up.gif"');          $r->print ('<input type="hidden" name="acts" value="" />'."\n");
  $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.   $r->print ('<a href="#" onclick="document.dirpathUP.submit()"><img src="'.$iconpath.'arrow.up.gif"');
    $r->print (' alt="'.$msg.'" class="LC_fileicon" />'.
    "\n");     "\n");
  $r->print("Up $tabtag</tr></form>\n");   $r->print(&mt("Up")."</a></form></td><td>$tabtag");
           $r->print(&Apache::loncommon::end_data_table_row());
  return OK;   return OK;
     }      }
   # Do we have permission to look at this?
       if($filecom[15] ne '1') { return OK if ((!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])) && (!&Apache::lonnet::allowed('bro',$pathprefix.$filecom[0]))); }
   
   # make absolute links appear on different background
   #SB    if ($absolute) { $fileclr='#ccdd99'; }
   
 # display domain  # display domain
     if ($filecom[1] eq 'domain') {      if ($filecom[1] eq 'domain') {
  $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n")    $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
     if ($ENV{'form.dirPointer'} eq "on");       if ($env{'form.dirPointer'} eq "on");
  $r->print("<tr bgcolor=$fileclr>$extrafield");  #SB $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
  $r->print("<td valign=bottom>");   $r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?"
  &begin_form ($r,$filecom[0].'/');          $r->print($extrafield);
  my $anchor = $filecom[0].'/';   $r->print("<td>");
  $anchor =~ s/\///g;   &begin_form ($r,$filecom[0]);
  $r->print ('<a name="'.$anchor.'">');   my $anchor = $filecom[0];
  $r->print ('<input type="hidden" name="acts" value="">');   $anchor =~ s/\W//g;
  $r->print ('<input src="'.$iconpath.'folder_pointer_'.   $r->print ('<a name="'.$anchor.'"></a>');
    $diropen.'.gif"');   $r->print ('<input type="hidden" name="acts" value="" />');
  $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.   $r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()"><img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).'.gif"'); 
    $r->print (' alt="'.$msg.'" class="LC_fileicon" /></a>'.
    "\n");     "\n");
  $r->print ('<a href="javascript:gothere(\''.$filecom[0].   my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
    '/\')"><img src="'.$iconpath.'server.gif"');   $r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
  $r->print (' border="0" /></a>'."\n");     '\')"><img alt="" src="'.$iconpath.'server.gif"');
  $r->print ("Domain - $listname ");   $r->print (' class="LC_fileicon" />'."\n");
  if ($Apache::lonnet::domaindescription{$listname}) {   $r->print (&mt("Domain")." - $listname </a>");
     $r->print("(".$Apache::lonnet::domaindescription{$listname}.   if (&Apache::lonnet::domain($listname,'description')) {
       $r->print("<br />(".&Apache::lonnet::domain($listname,'description').
       ")");        ")");
  }   }
  $r->print (" $tabtag</tr></form>\n");   $r->print("</form></td><td>$tabtag");
            $r->print(&Apache::loncommon::end_data_table_row());
  return OK;   return OK;
   
 # display user directory  # display user directory
     }      }
     if ($filecom[1] eq 'user') {      if ($filecom[1] eq 'user') {
  $r->print("<tr bgcolor=$fileclr>$extrafield");   # $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
  $r->print("<td valign=bottom nowrap>\n");  
  my $curdir = $startdir.$filecom[0].'/';   my $curdir = $startdir.$filecom[0].'/';
  my $anchor = $curdir;   my $anchor = $curdir;
  $anchor =~ s/\///g;   $anchor =~ s/\W//g;
   #SB $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
           $r->print(&Apache::loncommon::start_data_table_row()
                    .$extrafield.'<td class="LC_'.$valign.'">');
  &begin_form ($r,$curdir);   &begin_form ($r,$curdir);
  $r->print ('<a name="'.$anchor.'"><img src="'.$iconpath.   $r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
    'whitespace1.gif" border="0" />'."\n");     'whitespace_21.gif" class="LC_icon" />'."\n");
  $r->print ('<input type="hidden" name="acts" value="">');   $r->print ('<input type="hidden" name="acts" value="" />');
  $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.   $r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()">');
    '.gif"');           $r->print ('<img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).
  $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.     '.gif" class="LC_fileicon"'); 
    $r->print (' alt="'.$msg.'"/></a>'.
    "\n");     "\n");
  $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src='.   my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
    $iconpath.'quill.gif border="0" name="'.$msg.   $r->print ('<a href="javascript:gothere(\''.$quotable_curdir
    '" height="22" /></a>');     .'\')"><img alt="'.$msg.'" src="'.
      $iconpath.'quill.gif" class="LC_fileicon" />');
  my $domain=(split(m|/|,$startdir))[2];   my $domain=(split(m|/|,$startdir))[2];
  my $plainname=&Apache::loncommon::plainname($listname,$domain);   my $plainname=&Apache::loncommon::plainname($listname,$domain);
  $r->print ($listname);          $r->print ($listname.'</a>');
  if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }  
  $r->print ($tabtag.'</tr></form>'."\n");          if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
  return OK;  # Wishlistlink
           $r->print('</form></td><td><a href="javascript:;" '.
                     'title="'.&mt('Save a link for this folder in your personal Stored Links repository').'" '.
                     'onclick="set_wishlistlink('."'$plainname','$startdir$listname'".')">'.
                     '<img class="LC_icon" src="/res/adm/pages/wishlist.png" '.
                     'alt="'.&mt('save in Stored Links').'" style="width:22px;"/></a>'.$tabtag);
           $r->print(&Apache::loncommon::end_data_table_row());
           return OK;
     }      }
   
 # display file  # display file
     if ($fnptr == 0 and $filecom[3] ne '') {          if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
  my $filelink = $startdir.$filecom[0];              my $title;
  return OK if (!&Apache::lonnet::allowed('bre',$filelink));              my $filelink = $pathprefix.$filecom[0];
  my @file_ext = split (/\./,$listname);              if ($hash{'display_attrs_0'} == 1) {
  my $curfext = $file_ext[-1];                  $title = &Apache::lonnet::gettitle($filelink);
         if (@Omit) {              }
             foreach (@Omit) { return OK if ($curfext eq $_); }              my @file_ext = split (/\./,$listname);
         }              my $curfext = $file_ext[-1];
         if (@Only) {              if (@Omit) {
             my $skip = 1;                  foreach (@Omit) { return OK if (lc($curfext) eq $_); }
             foreach (@Only) { $skip = 0 if ($curfext eq $_); }              }
             return OK if ($skip > 0);              if (@Only) {
         }                  my $skip = 1;
  # Set the icon for the file                  foreach (@Only) { $skip = 0 if (lc($curfext) eq $_); }
  my $iconname = "unknown.gif";                  return OK if ($skip > 0);
  my $embstyle = &Apache::loncommon::fileembstyle($curfext);              }
  # The unless conditional that follows is a bit of overkill              # Set the icon for the file
  $iconname = $curfext.".gif" unless              my $iconname = &Apache::loncommon::icon($listname);
     (!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn');  #SB $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">);
  #          $r->print(&Apache::loncommon::start_data_table_row()); #SB valign="$valign" ?!?
  $r->print("<tr bgcolor=$fileclr><td nowrap valign='bottom'>");          $r->print('<td class="LC_middle LC_nobreak">');
  my $metafile = grep /^$filecom[0]\.meta\&/, @list;  
  my $title;          if ($env{'form.catalogmode'} eq 'interactive') {
         if ($ENV{'form.catalogmode'} eq 'interactive') {      my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
     $title=$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)  
             $r->print("<a href=\"javascript:select_data(\'",              $r->print("<a href=\"javascript:select_data(\'",
                       $titleesc,"','",$filelink,"')\">");                        $quotable_filelink,"')\">");
     $r->print("<img src='",$iconpath,"select.gif' border='0' /></a>".      $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
       "\n");        "\n");
     $r->print("</td><td valign='bottom' nowrap>");      $r->print('</td><td class="LC_middle">');
  }   } elsif ($env{'form.catalogmode'} eq 'import') {
         elsif ($ENV{'form.catalogmode'} eq 'groupimport') {      $r->print("<form name='form$fnum' action=''>\n");
     $title=$listname;  
     $title = &Apache::lonnet::metadata($filelink,'title')  
  if ($metafile == 1);  
     $title=$listname unless $title;  
     my $titleesc=&HTML::Entities::encode($title);  
     $r->print("<form name='form$fnum'>\n");  
     $r->print("<input type='checkbox' name='filelink"."' ".      $r->print("<input type='checkbox' name='filelink"."' ".
       "value='$filelink' onClick='".        "value='$filelink' onclick='".
       "javascript:queue(\"form$fnum\")' ");        "javascript:queue(\"form$fnum\")' ");
     if ($hash{'store_'.$filelink}) {      if ($hash{'store_'.$filelink}) {
  $r->print("checked");   $r->print("checked");
     }      }
     $r->print(">\n");      $r->print(" />\n");
     $r->print("<input type='hidden' name='title"."' ".      $r->print('</form></td><td class="LC_middle">');
       "value='$titleesc'>\n");  
     $r->print("</form>\n");  
     $r->print("</td><td valign='bottom' nowrap>");  
     $hash{"pre_${fnum}_link"}=$filelink;      $hash{"pre_${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++;       $fnum++;
  }   }
   # Form to open or close sequences
  if ($indent > 0 and $indent < 11) {   if ($filelink=~/\.(page|sequence)$/) {
     $r->print("<img src=",$iconpath,"whitespace",$indent,      my $curdir = $startdir.$filecom[0].'/';
       ".gif border='0' />\n");      &begin_form($r,$curdir);
  } elsif ($indent >0) {      $indent--;
     my $ten = int($indent/10.);   }
     my $rem = $indent%10.0;  # General indentation
     my $count = 0;      my $count = 0;
     while ($count < $ten) {      while ($count < $indent) {
  $r->print("<img src=",$iconpath,              $r->print('<img alt="" src="'.$iconpath.'whitespace_21.gif" 
   "whitespace10.gif border='0' />\n");                  class="LC_icon" />');
     $count++;          $count++;
     }      }
     $r->print("<img src=",$iconpath,"whitespace",$rem,  # Sequence open/close icon
       ".gif border='0' />\n") if $rem > 0;   if ($filelink=~/\.(page|sequence)$/) {
  }      my $curdir = $startdir.$filecom[0].'/';
       my $anchor = $curdir;
  $r->print("<img src=$iconpath$iconname border='0' />\n");      $anchor =~ s/\W//g;
  $r->print (" <a href=\"javascript:openWindow('".$filelink.      $r->print ('<input type="hidden" name="acts" value="" />');
    "', 'metadatafile', '450', '500', 'no', 'yes')\";".      $r->print ('<a name="'.$anchor.'"></a>');
    " TARGET=_self>$listname</a> ");              $r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()">');
               $r->print ('<img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).
  $r->print (" (<a href=\"javascript:openWindow('".$filelink.                         '.gif" class="LC_fileicon"');
    ".meta', 'metadatafile', '400', '450', 'no', 'yes')\"; ".      $r->print (' alt="'.$msg.'" /></a>'.
    "TARGET=_self>metadata</a>) ") if ($metafile == 1);         "\n");
    }
   # Filetype icons
    $r->print("<img alt=\"\" src='$iconname' class='LC_fileicon' />\n");
    my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
   
    $r->print (" <a href=\"javascript:openMyModal('".$quotable_filelink."?inhibitmenu=yes',500,500,'yes');\">$listname</a> ");
    $quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta');
    &Apache::loncommon::inhibit_menu_check(\$quotable_filelink);
    $r->print (" (<a href=\"javascript:openMyModal('".$quotable_filelink."?inhibitmenu=yes',500,500,'yes');\">".&mt('metadata')."</a>) ");
   # Close form to open/close sequence
    if ($filelink=~/\.(page|sequence)$/) {
       $r->print('</form>');
    }
  $r->print("</td>\n");   $r->print("</td>\n");
   # Wishlistlink
           $r->print('<td><a href="javascript:;" title="'.&mt('Save a link for this resource in your personal Stored Links repository').'" '.
                     'onclick="set_wishlistlink('."'".&Apache::lonnet::gettitle($filelink).
                     "','$startdir$listname'".')">'.
                     '<img class="LC_icon" src="/res/adm/pages/wishlist.png" '.
                     'alt="'.&mt('save in Stored Links').'" style="width:22px;"/></a></td>');
  if ($hash{'display_attrs_0'} == 1) {   if ($hash{'display_attrs_0'} == 1) {
     my $title = &Apache::lonnet::metadata($filelink,'title')      $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
  if ($metafile == 1);  
     $r->print('<td valign=bottom> '.($title eq '' ? '&nbsp;' : $title).  
       ' </td>'."\n");        ' </td>'."\n");
  }   }
  $r->print('<td align=right valign=bottom> ',   $r->print('<td class="LC_right"> ',
   $filecom[8]," </td>\n")     $filecom[8]," </td>\n") 
     if $hash{'display_attrs_1'} == 1;      if $hash{'display_attrs_1'} == 1;
  $r->print('<td valign=bottom> '.   $r->print('<td class="LC_nobreak"> '.
   (localtime($filecom[9]))." </td>\n")                     (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
     if $hash{'display_attrs_2'} == 1;      if $hash{'display_attrs_2'} == 1;
  $r->print('<td valign=bottom> '.   $r->print('<td class="LC_nobreak"> '.
   (localtime($filecom[10]))." </td>\n")                     (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
     if $hash{'display_attrs_3'} == 1;      if $hash{'display_attrs_3'} == 1;
   
  if ($hash{'display_attrs_4'} == 1) {   if ($hash{'display_attrs_4'} == 1) {
     my $author = &Apache::lonnet::metadata($filelink,'author')      my $author = &Apache::lonnet::metadata($filelink,'author');
  if ($metafile == 1);      $r->print('<td class="LC_nobreak"> '.($author eq '' ? '&nbsp;' : $author).
     $r->print('<td valign=bottom> '.($author eq '' ? '&nbsp;' : $author).  
       " </td>\n");        " </td>\n");
  }   }
  if ($hash{'display_attrs_5'} == 1) {   if ($hash{'display_attrs_5'} == 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);
     $r->print('<td valign=bottom> '.($keywords eq '' ? '&nbsp;' : $keywords).      $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
       " </td>\n");        " </td>\n");
  }   }
   
  if ($hash{'display_attrs_6'} == 1) {   if ($hash{'display_attrs_6'} == 1) {
     my $lang = &Apache::lonnet::metadata($filelink,'language')      my $lang = &Apache::lonnet::metadata($filelink,'language');
  if ($metafile == 1);  
     $lang = &Apache::loncommon::languagedescription($lang);      $lang = &Apache::loncommon::languagedescription($lang);
     $r->print('<td valign=bottom> '.($lang eq '' ? '&nbsp;' : $lang).      $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
       " </td>\n");        " </td>\n");
  }   }
         if ($hash{'display_attrs_8'} == 1) {   if ($hash{'display_attrs_8'} == 1) {
             my $output='';  # statistics
             my $embstyle=&Apache::loncommon::fileembstyle($curfext);      &dynmetaread($filelink);
     if ($embstyle eq 'ssi') {      $r->print("<td>");
        $output=&Apache::lonnet::ssi_body($filelink);  
                $output='<font size="-2">'.$output.'</font>';          for (qw(count course stdno avetries difficulty disc clear technical
    } elsif ($embstyle eq 'img') {              correct helpful depth)) {
                $output='<img src="'.$filelink.'" />';  
            } elsif ($filelink=~/^\/res\/(\w+)\/(\w+)\//) {              dynmetaprint($r,$filelink,$_);
                $output='<img src="http://'.  
  $Apache::lonnet::hostname{&Apache::lonnet::homeserver($2,$1)}.  
                  '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';  
            }  
    $r->print('<td valign=bottom> '.($output eq '' ? '&nbsp;':$output).  
       " </td>\n");  
         }          }
  $r->print("</tr>\n");  
       $r->print("&nbsp;</td>\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);
    $r->print('<td>'."<a href=\"javascript:openWindow('"
     .$quotable_sourcelink.
     "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
     " target=\"_self\">".&mt('Source Code')."</a> "."</td>\n");
       } else { #A cuddled else. :P
    $r->print("<td>&nbsp;</td>\n");
       }
    }
    if ($hash{'display_attrs_11'} == 1) {
   # links
      &dynmetaread($filelink);
      $r->print('<td>');
      &coursecontext($r,$filelink);
          for (qw(goto_list comefrom_list sequsage_list dependencies course_list)) {
                dynmetaprint($r,$filelink,$_);
          }
      $r->print('</td>');
           }
           
      
   
    if ($hash{'display_attrs_7'} == 1) {
   # Show resource
      my $output=&showpreview($filelink);
              $r->print('<td class="LC_fontsize_medium">'.($output eq '' ? '&nbsp;':$output).
         " </td>\n");
     }      }
       
       if ($hash{'display_attrs_12'} == 1) {
       my $subject = &Apache::lonnet::metadata($filelink,'subject');
       $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
         " </td>\n");
    }
   
    if ($hash{'display_attrs_13'} == 1) {
       my $notes = &Apache::lonnet::metadata($filelink,'notes');
       $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
         " </td>\n");
    }
   
    if ($hash{'display_attrs_14'} == 1) {
       my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
       $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
         " </td>\n");
    }
   
    if ($hash{'display_attrs_15'} == 1) {
       my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
       $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
         " </td>\n");
    }
   
    if ($hash{'display_attrs_16'} == 1) {
       my $standards = &Apache::lonnet::metadata($filelink,'standards');
       $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
         " </td>\n");
    }
   
    $r->print(&Apache::loncommon::end_data_table_row());
   }
       
       
   
 # -- display directory  # -- display directory
     if ($fnptr == $dirptr) {      if ($fnptr == $dirptr) {
  my @file_ext = split (/\./,$listname);  
  my $curfext = $file_ext[scalar(@file_ext)-1];  
  my $curdir = $startdir.$filecom[0].'/';   my $curdir = $startdir.$filecom[0].'/';
  my $anchor = $curdir;   my $anchor = $curdir;
  $anchor =~ s/\///g;   $anchor =~ s/\W//g;
  $r->print("<tr bgcolor=$fileclr>$extrafield<td valign=bottom>");  #SB $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
           $r->print(&Apache::loncommon::start_data_table_row()); # SB: bgcolor suggestion: darkgrey ("LC_info_row"?!?)
   # $r->print('<tr class="LC_info_row">');
           $r->print($extrafield.'<td class="LC_middle LC_nobreak">');
  &begin_form ($r,$curdir);   &begin_form ($r,$curdir);
  my $indentm1 = $indent-1;   my $indentm1 = $indent-1;
  if ($indentm1 < 11 and $indentm1 > 0) {   my $count = 0;
     $r->print("<img src=",$iconpath,"whitespace",$indentm1,   while ($count < $indentm1) {
       ".gif border='0' />\n");      $r->print ('<img alt="" src="',$iconpath
  } else {                 ,'whitespace_21.gif" class="LC_icon" />');
     my $ten = int($indentm1/10.);              $count++;
     my $rem = $indentm1%10.0;   }
     my $count = 0;   $r->print ('<input type="hidden" name="acts" value="" />');
     while ($count < $ten) {   $r->print ('<a name="'.$anchor.'"></a>');
  $r->print ("<img src=",$iconpath          $r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()"><img src="'.$iconpath.
    ,"whitespace10.gif border='0' />\n");     'arrow.'.($nowOpen ? "open" : "closed" ).'.gif"');
  $count++;   $r->print (' alt="'.$msg.'" class="LC_fileicon" /></a>'.
     }  
     $r->print ("<img src=",$iconpath,"whitespace",$rem,  
        ".gif border='0' />\n") if $rem > 0;  
  }  
  $r->print ('<input type="hidden" name="acts" value="">');  
  $r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.  
    'folder_pointer_'.$diropen.'.gif"');  
  $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.  
    "\n");  
  $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src="'.  
    $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.  
    "\n");     "\n");
  $r->print ("$listname$tabtag</tr></form>\n");   my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
           
           my $location = &Apache::loncommon::lonhttpdurl("/adm/lonIcons");
    my $icon = "navmap.folder.".($nowOpen ? "open":"closed").'.gif';
           $r->print ('<a href="javascript:gothere('
                     ."'$quotable_curdir'".');">'
                     .'<img class="LC_fileicon" alt="'.&mt('Open Folder').'" src="'
                     .$location.'/'.$icon.'" />'
                     ."\n");
    $r->print ("$listname</a></form>");
   # Wishlistlink
           $r->print('</td><td><a href="javascript:;" '.
                     'title="'.&mt('Save a link for this folder in Stored Links').'" '.
                     'onclick="set_wishlistlink('."'$listname','$startdir$listname'".')">'.
                     '<img class="LC_icon" src="/res/adm/pages/wishlist.png" '.
                     'alt="'.&mt('save in Stored Links').'" style="width:22px;"/></a></td>');
   # Attributes
    my $filelink = $startdir.$filecom[0].'/default';
   
    if ($hash{'display_attrs_0'} == 1) {
       my $title = &Apache::lonnet::gettitle($filelink);
       $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
         ' </td>'."\n");
    }
    $r->print('<td class="LC_right"> ',
     $filecom[8]," </td>\n") 
       if $hash{'display_attrs_1'} == 1;
    $r->print('<td class="LC_break"> '.
                     (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
       if $hash{'display_attrs_2'} == 1;
    $r->print('<td class="LC_break"> '.
                     (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
       if $hash{'display_attrs_3'} == 1;
   
    if ($hash{'display_attrs_4'} == 1) {
       my $author = &Apache::lonnet::metadata($filelink,'author');
       $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
         " </td>\n");
    }
    if ($hash{'display_attrs_5'} == 1) {
       my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
       # $keywords = '&nbsp;' if (!$keywords);
       $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
         " </td>\n");
    }
    if ($hash{'display_attrs_6'} == 1) {
       my $lang = &Apache::lonnet::metadata($filelink,'language');
       $lang = &Apache::loncommon::languagedescription($lang);
       $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
         " </td>\n");
    }
   
    if ($hash{'display_attrs_8'} == 1) {
      $r->print('<td>&nbsp;</td>');
    }
     if ($hash{'display_attrs_10'} == 1) {
      $r->print('<td>&nbsp;</td>');
    }
    if ($hash{'display_attrs_7'} == 1) {
      $r->print('<td>&nbsp;</td>');
       }     
       if ($hash{'display_attrs_11'} == 1) {
      $r->print('<td>&nbsp;</td>');
    }
    if ($hash{'display_attrs_12'} == 1) {
       my $subject = &Apache::lonnet::metadata($filelink,'subject');
       $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
         " </td>\n");
    }
    if ($hash{'display_attrs_13'} == 1) {
       my $notes = &Apache::lonnet::metadata($filelink,'notes');
       $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
         " </td>\n");
    }
   
    if ($hash{'display_attrs_14'} == 1) {
       my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
       $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
         " </td>\n");
    }
   
    if ($hash{'display_attrs_15'} == 1) {
       my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
       $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
         " </td>\n");
    }
   
    if ($hash{'display_attrs_16'} == 1) {
       my $standards = &Apache::lonnet::metadata($filelink,'standards');
       $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
         " </td>\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);
    $r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
         &Apache::lonnet::gettitle($resource),
         &Apache::lonnet::gettitle($map)));
       }
   }
   
   sub showpreview {
       my ($filelink)=@_;
       if ($filelink=~m-^(/ext/|http://)-) {
    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",<FH>);
             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') {
          $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
       } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
          $output='<img  alt="'.&mt('Preview').'" src="http://'.
                    &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
                    '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
       }
       return $output;
   }
   
   sub dynmetaprint {
       my ($r,$filelink,$item)=@_;
       if ($dynhash{$filelink}->{$item}) {
    $r->print("\n<br />".$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  # ------------------- 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/\W//g;
       $uri=&Apache::loncommon::escape_single($uri);
     $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.      $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
        '#'.$anchor.         '#'.$anchor.
        '" onSubmit="return rep_dirpath(\''.$dnum.'\''.         '" onsubmit="return rep_dirpath(\''.$dnum.'\''.
        ',document.forms.fileattr.acts.value)" '.         ',document.forms.fileattr.acts.value)" '.
        'enctype="application/x-www-form-urlencoded">'."\n");         'enctype="application/x-www-form-urlencoded">'."\n");
     $r->print ('<input type="hidden" name="openuri" value="'.$uri.'">'.      $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
        "\n");         "\n");
     $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n");      $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
       $r->print(&Apache::loncommon::inhibit_menu_check('input'));
     $dnum++;      $dnum++;
 }  }
   
 # --------- settings whenever the user causes the indexer window to be launched  # --------- settings whenever the user causes the indexer window to be launched
 sub start_fresh_session {  sub start_fresh_session {
     delete $hash{'form.catalogmode'};      my ($hash) = @_;
     delete $hash{'form.mode'};      delete $hash->{'form.catalogmode'};
     delete $hash{'form.form'};      delete $hash->{'form.mode'};
     delete $hash{'form.element'};      delete $hash->{'form.form'};
     delete $hash{'form.omit'};      delete $hash->{'form.element'};
     delete $hash{'form.only'};      delete $hash->{'form.omit'};
     foreach (keys %hash) {      delete $hash->{'form.only'};
         delete $hash{$_} if (/^(pre_|store)/);      foreach (keys %{$hash}) {
           delete $hash->{$_} if (/^(pre_|store)/);
     }      }
 }  }
   
Line 943  sub setvalues { Line 1459  sub setvalues {
 sub cleanup {  sub cleanup {
     if (tied(%hash)){      if (tied(%hash)){
  &Apache::lonnet::logthis('Cleanup indexer: hash');   &Apache::lonnet::logthis('Cleanup indexer: hash');
         unless (untie(%hash)) {  
     &Apache::lonnet::logthis('Failed cleanup indexer: hash');  
         }  
     }      }
       return OK;
 }  }
   
   
   
   
   
 =head1 NAME  =head1 NAME
   
 Apache::lonindexer - mod_perl module for cross server filesystem browsing  Apache::lonindexer - mod_perl module for cross server filesystem browsing
Line 969  This module enables a scheme of browsing Line 1487  This module enables a scheme of browsing
 This is part of the LearningOnline Network with CAPA project  This is part of the LearningOnline Network with CAPA project
 described at http://www.lon-capa.org.  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  =head1 HANDLER SUBROUTINE
   
 This routine is called by Apache and mod_perl.  This routine is called by Apache and mod_perl.
Removed from v.1.61  
changed lines
  Added in v.1.217

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