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Diff for /loncom/interface/lonsearchcat.pm between versions 1.192.2.1 and 1.198

version 1.192.2.1, 2003/12/11 21:02:33 version 1.198, 2003/12/27 23:04:28
Line 59  search (on a server basis) is displayed Line 59  search (on a server basis) is displayed
 ###############################################################################  ###############################################################################
 ###############################################################################  ###############################################################################
   
 ###############################################################################  
 ##                                                                           ##  
 ## ORGANIZATION OF THIS PERL MODULE                                          ##  
 ##                                                                           ##  
 ## 1. Modules used by this module                                            ##  
 ## 2. Variables used throughout the module                                   ##  
 ## 3. handler subroutine called via Apache and mod_perl                      ##  
 ## 4. Other subroutines                                                      ##  
 ##                                                                           ##  
 ###############################################################################  
   
 package Apache::lonsearchcat;  package Apache::lonsearchcat;
   
 # ------------------------------------------------- modules used by this module  
 use strict;  use strict;
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http);
 use Apache::lonnet();  use Apache::lonnet();
Line 84  use Apache::loncommon(); Line 72  use Apache::loncommon();
 use Apache::lonmysql();  use Apache::lonmysql();
 use Apache::lonlocal;  use Apache::lonlocal;
   
 # ---------------------------------------- variables used throughout the module  
   
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
   ##
 =pod   ## Global variables
   ##
 =item Global variables  
   
 =over 4  
   
 =item $importbutton  
   
 button to take the select results and go to group sorting  
   
 =item %groupsearch_db     
   
 Database hash used to save values for the groupsearch RAT interface.  
   
 =item $diropendb   
   
 The full path to the (temporary) search database file.  This is set and  
 used in &handler() and is also used in &output_results().  
   
 =item %Views  
   
 Hash which associates an output view description with the function  
 that produces it.  Adding a new view type should be as easy as  
 adding a line to the definition of this hash and making sure the function  
 takes the proper parameters.  
   
 =item $bodytag  
   
 LON-CAPA standard body tag, gotten from &Apache::lonnet::bodytag.  
 No title, no table, just a <body> tag.  
   
 =back   
   
 =cut  
   
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
   my %groupsearch_db;  # Database hash used to save values for the 
 # -- dynamically rendered interface components                       # groupsearch RAT interface.
 my $importbutton; # button to take the selected results and go to group sorting  my %persistent_db;   # gdbm hash which holds data which is supposed to
                        # persist across calls to lonsearchcat.pm
 # -- miscellaneous variables  ## %Views:
 my %groupsearch_db;     # database hash  ## Hash which associates an output view description with the function
 my $diropendb = "";    # db file  ## that produces it.
 #             View Description           Function Pointer  #             View Description/Name      Function Pointer
 my %Views = ("Detailed Citation View" => \&detailed_citation_view,  my %Views = ("Detailed Citation View" => \&detailed_citation_view,
              "Summary View"           => \&summary_view,               "Summary View"           => \&summary_view,
              "Fielded Format"         => \&fielded_format_view,               "Fielded Format"         => \&fielded_format_view,
              "XML/SGML"               => \&xml_sgml_view,               "XML/SGML"               => \&xml_sgml_view,
              "Compact View"           => \&compact_view);               "Compact View"           => \&compact_view);
 my %persistent_db;  
 my $hidden_fields;  
 my $bodytag;  
   
 #  
 # For course search  
 #  
 my %alreadyseen;  
 my $hashtied;  
 my %hash;  
 my $totalfound;  
    
 ######################################################################  
 ######################################################################  
   
 =pod   
   
 =item &handler() - main handler invoked by httpd child  
   
 =item Variables  
   
 =over 4  
   
 =item $hidden  
   
 holds 'hidden' html forms  
   
 =item $scrout  
   
 string that holds portions of the screen output  
   
 =back   
   
 =cut  
   
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
   #    &set_defaults();
     #      #
       # set form defaults
       #
       my $hidden_fields;# Hold all the hidden fields used to keep track
                         # of the search system state
       my $importbutton; # button to take the selected results and go to group 
                         # sorting
       my $diropendb;    # The full path to the (temporary) search database file.
                         # This is set and used in &handler() and is also used in 
                         # &output_results().
       my $bodytag;  # LON-CAPA standard body tag, gotten from 
                     # &Apache::lonnet::bodytag. 
                     # No title, no table, just a <body> tag.
   
     my $loaderror=&Apache::lonnet::overloaderror($r);      my $loaderror=&Apache::lonnet::overloaderror($r);
     if ($loaderror) { return $loaderror; }      if ($loaderror) { return $loaderror; }
Line 334  END Line 267  END
     ## Switch on the phase      ## Switch on the phase
     ##      ##
     if ($ENV{'form.phase'} eq 'disp_basic') {      if ($ENV{'form.phase'} eq 'disp_basic') {
         &print_basic_search_form($r,$closebutton);          &print_basic_search_form($r,$closebutton,$hidden_fields);
     } elsif ($ENV{'form.phase'} eq 'disp_adv') {      } elsif ($ENV{'form.phase'} eq 'disp_adv') {
         &print_advanced_search_form($r,$closebutton);          &print_advanced_search_form($r,$closebutton,$hidden_fields);
     } elsif ($ENV{'form.phase'} eq 'results') {      } elsif ($ENV{'form.phase'} eq 'results') {
         &display_results($r,$importbutton,$closebutton);          &display_results($r,$importbutton,$closebutton,$diropendb);
     } elsif ($ENV{'form.phase'} =~ /^(sort|run_search)$/) {      } elsif ($ENV{'form.phase'} =~ /^(sort|run_search)$/) {
         my ($query,$customquery,$customshow,$libraries,$pretty_string) =          my ($query,$customquery,$customshow,$libraries,$pretty_string) =
             &get_persistent_data($persistent_db_file,              &get_persistent_data($persistent_db_file,
Line 360  END Line 293  END
         }          }
         # Set up table          # Set up table
         if (! defined(&create_results_table())) {          if (! defined(&create_results_table())) {
       my $errorstring=&Apache::lonmysql::get_error();
             $r->print(<<END);              $r->print(<<END);
 <html><head><title>Search Error</title></head>  <html><head><title>Search Error</title></head>
 $bodytag  $bodytag
 Unable to create table in which to store search results.    Unable to create table in which to store search results.  
 The search has been aborted.  The search has been aborted.
   <br />$errorstring
 </body>  </body>
 </html>  </html>
 END  END
Line 388  END Line 323  END
         my $pretty_string;          my $pretty_string;
         if ($ENV{'form.phase'} eq 'basic_search') {          if ($ENV{'form.phase'} eq 'basic_search') {
             ($query,$pretty_string,$libraries) =               ($query,$pretty_string,$libraries) = 
                 &parse_basic_search($r,$closebutton);                  &parse_basic_search($r,$closebutton,$hidden_fields);
         } else {                      # Advanced search          } else {                      # Advanced search
             ($query,$customquery,$customshow,$libraries,$pretty_string)               ($query,$customquery,$customshow,$libraries,$pretty_string) 
                 = &parse_advanced_search($r,$closebutton);                  = &parse_advanced_search($r,$closebutton,$hidden_fields);
             return OK if (! defined($query));              return OK if (! defined($query));
         }          }
         &make_persistent({ query => $query,          &make_persistent({ query => $query,
Line 410  END Line 345  END
   
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
   ##
   ##   Course Search
   ##
   ######################################################################
   ######################################################################
   {   # Scope the course search to avoid global variables
   #
   # Variables For course search
   my %alreadyseen;
   my %hash;
   my $totalfound;
   
 sub course_search {  sub course_search {
     my $r=shift;      my $r=shift;
Line 432  sub course_search { Line 378  sub course_search {
       $bodytag.$pretty_search_string);        $bodytag.$pretty_search_string);
     $r->rflush();      $r->rflush();
 # ======================================================= Go through the course  # ======================================================= Go through the course
    $hashtied=0;      undef %alreadyseen;
    undef %alreadyseen;      %alreadyseen=();
    %alreadyseen=();  
     my $c=$r->connection;      my $c=$r->connection;
    &tiehash();      if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",
    foreach (keys %hash) {              &GDBM_READER(),0640)) {
        if ($c->aborted()) { last; }          foreach (keys %hash) {
        if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) {              if ($c->aborted()) { last; }
            &checkonthis($r,$hash{$_},0,$hash{'title_'.$1},$fulltext,@allwords);              if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) {
        }                  &checkonthis($r,$hash{$_},0,$hash{'title_'.$1},$fulltext,
    }                               @allwords);
    &untiehash();              }
           }
           untie(%hash);
       }
     unless ($totalfound) {      unless ($totalfound) {
  $r->print('<p>'.&mt('No resources found').'.</p>');   $r->print('<p>'.&mt('No resources found').'.</p>');
     }      }
Line 451  sub course_search { Line 399  sub course_search {
     $r->print('</body></html>');      $r->print('</body></html>');
 }  }
   
 # ---------------------------------------------------------------- tie the hash  
   
 sub tiehash {  
     $hashtied=0;  
     if ($ENV{'request.course.fn'}) {  
         if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",  
             &GDBM_READER(),0640)) {  
                 $hashtied=1;  
         }  
     }      
 }  
   
 sub untiehash {  
     if ($hashtied) { untie %hash; }  
     $hashtied=0;  
 }  
   
 # =============================== This pulls up a resource and its dependencies  # =============================== This pulls up a resource and its dependencies
   
 sub checkonthis {  sub checkonthis {
Line 513  sub checkonthis { Line 444  sub checkonthis {
     }      }
 }  }
   
   sub untiehash {
       if (tied(%hash)) {
           untie(%hash);
       }
   }
   
   } # End of course search scoping
   
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
   
Line 528  Returns a scalar which holds html for th Line 467  Returns a scalar which holds html for th
 ######################################################################  ######################################################################
   
 sub print_basic_search_form{  sub print_basic_search_form{
     my ($r,$closebutton) = @_;      my ($r,$closebutton,$hidden_fields) = @_;
     my $bodytag=&Apache::loncommon::bodytag('Search');      my $bodytag=&Apache::loncommon::bodytag('Search');
     my $scrout=<<"ENDDOCUMENT";      my $scrout=<<"ENDDOCUMENT";
 <html>  <html>
Line 545  sub print_basic_search_form{ Line 484  sub print_basic_search_form{
 $bodytag  $bodytag
 ENDDOCUMENT  ENDDOCUMENT
 if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) {  if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) {
       my $CatalogSearch=&mt('Catalog Search');
       my $Statement=&mt('Enter terms or phrases separated by AND, OR, or NOT then press SEARCH below');
     $scrout.=(<<ENDDOCUMENT);      $scrout.=(<<ENDDOCUMENT);
 <h1>Catalog Search</h1>  <h1>$CatalogSearch</h1>
 <form method="post" action="/adm/searchcat">  <form name="loncapa_search" method="post" action="/adm/searchcat">
 <input type="hidden" name="phase" value="basic_search" />  <input type="hidden" name="phase" value="basic_search" />
 $hidden_fields  $hidden_fields
 <p>  <p>
 Enter terms or phrases separated by AND, OR, or NOT   $Statement.
 then press SEARCH below.  
 </p>  </p>
 <p>  <p>
 <table>  <table>
Line 560  then press SEARCH below. Line 500  then press SEARCH below.
 ENDDOCUMENT  ENDDOCUMENT
     $scrout.='&nbsp;'.&simpletextfield('basicexp',$ENV{'form.basicexp'},40).      $scrout.='&nbsp;'.&simpletextfield('basicexp',$ENV{'form.basicexp'},40).
         '&nbsp;';          '&nbsp;';
     my $relatedcheckbox = &simplecheckbox('related',$ENV{'form.related'});      my $relatedcheckbox = &simplecheckbox('related','related',$ENV{'form.related'});
     my $domain = $r->dir_config('lonDefDomain');      my $domain = $r->dir_config('lonDefDomain');
     my $domaincheckbox = &simplecheckbox('domains',$domain);      my $domaincheckbox = &simplecheckbox('domains',$domain);
     my $srch=&mt('Search');      my $srch=&mt('Search');
     my $header=&mt('Advanced Search');      my $header=&mt('Advanced Search');
       my $userelatedwords=&mt('use related words');
       my $onlysearchdomain=&mt('only search domain');
     $scrout.=<<END;      $scrout.=<<END;
 </td><td><a  </td><td><a
 href="/adm/searchcat?phase=disp_adv&catalogmode=$ENV{'form.catalogmode'}&launch=$ENV{'form.launch'}&mode=$ENV{'form.mode'}"  href="/adm/searchcat?phase=disp_adv&catalogmode=$ENV{'form.catalogmode'}&launch=$ENV{'form.launch'}&mode=$ENV{'form.mode'}"
 >$header</a></td></tr>  >$header</a></td></tr>
 <tr><td>$relatedcheckbox use related words</td>  <tr><td>$relatedcheckbox $userelatedwords</td>
     <td>$domaincheckbox only search domain <b>$domain</b></td></tr>      <td>$domaincheckbox $onlysearchdomain <b>$domain</b></td></tr>
 </table>  </table>
 </p>  </p>
 <p>  <p>
Line 599  ENDDOCUMENT Line 541  ENDDOCUMENT
         $scrout.=(<<ENDCOURSESEARCH);          $scrout.=(<<ENDCOURSESEARCH);
 <hr />  <hr />
 <h1>$lt{'header'}</h1>      <h1>$lt{'header'}</h1>    
 <form method="post" action="/adm/searchcat">  <form name="course_search" method="post" action="/adm/searchcat">
 <input type="hidden" name="phase" value="course_search" />  <input type="hidden" name="phase" value="course_search" />
 $hidden_fields  $hidden_fields
 <p>  <p>
Line 646  Returns a scalar which holds html for th Line 588  Returns a scalar which holds html for th
 ######################################################################  ######################################################################
   
 sub print_advanced_search_form{  sub print_advanced_search_form{
     my ($r,$closebutton) = @_;      my ($r,$closebutton,$hidden_fields) = @_;
     my $advanced_buttons = <<"END";      my $advanced_buttons = <<"END";
 <p>  <p>
 <input type="submit" name="advancedsubmit" value='SEARCH' />  <input type="submit" name="advancedsubmit" value='SEARCH' />
Line 706  ENDHEADER Line 648  ENDHEADER
                                              $ENV{'form.notes'});                                               $ENV{'form.notes'});
     $scrout.=&searchphrasefield_with_related('abstract','abstract',      $scrout.=&searchphrasefield_with_related('abstract','abstract',
                                              $ENV{'form.abstract'});                                               $ENV{'form.abstract'});
       $scrout.=&searchphrasefield('Standards','standards',$ENV{'form.standards'});
     # Hack - an empty table row.      # Hack - an empty table row.
     $scrout.="<tr><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>\n";      $scrout.="<tr><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>\n";
     $scrout.=&searchphrasefield('file<br />extension','extension',      $scrout.=&searchphrasefield('file<br />extension','extension',
Line 1033  sub simpletextfield { Line 976  sub simpletextfield {
   
 =item &simplecheckbox()  =item &simplecheckbox()
   
 Inputs: $name,$value  Inputs: $name,$value,$checked
   
 Returns a simple check box with the given $name.  Returns a simple check box with the given $name.
 If $value eq 'on' the box is checked.  If $value eq 'on' the box is checked.
Line 1045  If $value eq 'on' the box is checked. Line 988  If $value eq 'on' the box is checked.
   
 sub simplecheckbox{  sub simplecheckbox{
     my ($name,$value,$checked)=@_;      my ($name,$value,$checked)=@_;
     $checked="checked" if ($value eq 'on');      $checked="checked" if ($value eq $checked || $value eq 'on');
     return '<input type="checkbox" name="'.$name.'" value="'.$value.'" '.      return '<input type="checkbox" name="'.$name.'" value="'.$value.'" '.
         $checked.' />';          $checked.' />';
 }  }
Line 1298  Parse advanced search form and return th Line 1241  Parse advanced search form and return th
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
 sub parse_advanced_search {  sub parse_advanced_search {
     my ($r,$closebutton)=@_;      my ($r,$closebutton,$hidden_fields)=@_;
     my $fillflag=0;      my $fillflag=0;
     my $pretty_search_string = "<br />\n";      my $pretty_search_string = "<br />\n";
     # Clean up fields for safety      # Clean up fields for safety
Line 1332  sub parse_advanced_search { Line 1275  sub parse_advanced_search {
  }   }
     }      }
     unless ($fillflag) {      unless ($fillflag) {
  &output_blank_field_error($r,$closebutton,'phase=disp_adv');   &output_blank_field_error($r,$closebutton,'phase=disp_adv',$hidden_fields);
  return ;   return ;
     }      }
     # Turn the form input into a SQL-based query      # Turn the form input into a SQL-based query
Line 1415  sub parse_advanced_search { Line 1358  sub parse_advanced_search {
  );   );
     # Test to see if date windows are legitimate      # Test to see if date windows are legitimate
     if ($datequery=~/^Incorrect/) {      if ($datequery=~/^Incorrect/) {
  &output_date_error($r,$datequery,$closebutton);   &output_date_error($r,$datequery,$closebutton,$hidden_fields);
  return ;   return ;
     } elsif ($datequery) {      } elsif ($datequery) {
         # Here is where you would set up pretty_search_string to output          # Here is where you would set up pretty_search_string to output
Line 1850  sub ensure_db_and_table { Line 1793  sub ensure_db_and_table {
 ######################################################################  ######################################################################
 sub print_sort_form {  sub print_sort_form {
     my ($r,$pretty_query_string) = @_;      my ($r,$pretty_query_string) = @_;
       my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
     ##      ##
     my %SortableFields=&Apache::lonlocal::texthash(       my %SortableFields=&Apache::lonlocal::texthash( 
          id        => 'Default',           id        => 'Default',
Line 1958  my @Datatypes = Line 1902  my @Datatypes =
       { name => 'notes',     type=>'TEXT'},        { name => 'notes',     type=>'TEXT'},
       { name => 'abstract',  type=>'TEXT'},        { name => 'abstract',  type=>'TEXT'},
       { name => 'mime',      type=>'TEXT'},        { name => 'mime',      type=>'TEXT'},
       { name => 'lang',      type=>'TEXT'},        { name => 'language',  type=>'TEXT'},
       { name => 'owner',     type=>'TEXT'},        { name => 'owner',     type=>'TEXT'},
       { name => 'copyright', type=>'TEXT'},        { name => 'copyright', type=>'TEXT'},
       { name => 'hostname',  type=>'TEXT'},        { name => 'dependencies',     type=>'TEXT'},
         { name => 'modifyinguser', type=>'TEXT'},
         { name => 'authorspace', type=>'TEXT'},
         { name => 'lowestgradelevel',  type=>'INT'},
         { name => 'highestgradelevel', type=>'INT'},
         { name => 'standards', type=>'TEXT'},
         { name => 'count',     type=>'INT'},
         { name => 'course', type=>'INT'},
         { name => 'course_list',  type=>'TEXT'},
         { name => 'goto', type=>'INT'},
         { name => 'goto_list',  type=>'TEXT'},
         { name => 'comefrom', type=>'INT'},
         { name => 'comefrom_list',  type=>'TEXT'},
         { name => 'sequsage', type=>'INT'},
         { name => 'sequsage_list',  type=>'TEXT'},
         { name => 'stdno', type=>'INT'},
         { name => 'stdno_list',  type=>'TEXT'},
         { name => 'avetries', type=>'FLOAT'},
         { name => 'avetries_list',  type=>'TEXT'},
         { name => 'difficulty', type=>'FLOAT'},
         { name => 'difficulty_list',  type=>'TEXT'},
         { name => 'clear',  type=>'FLOAT'},
         { name => 'technical',  type=>'FLOAT'},
         { name => 'correct',  type=>'FLOAT'},
         { name => 'helpful',  type=>'FLOAT'},
         { name => 'depth',  type=>'FLOAT'},
         { name => 'hostname', type=> 'TEXT'},
       #--------------------------------------------------        #--------------------------------------------------
       { name => 'creationdate',     type=>'DATETIME'},        { name => 'creationdate',     type=>'DATETIME'},
       { name => 'lastrevisiondate', type=>'DATETIME'},        { name => 'lastrevisiondate', type=>'DATETIME'},
Line 2095  sub revise_button { Line 2065  sub revise_button {
 ######################################################################  ######################################################################
 sub run_search {  sub run_search {
     my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_;      my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_;
       my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
     my $connection = $r->connection;      my $connection = $r->connection;
     #      #
     # Timing variables      # Timing variables
Line 2345  sub prev_next_buttons { Line 2316  sub prev_next_buttons {
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
 sub display_results {  sub display_results {
     my ($r,$importbutton,$closebutton) = @_;      my ($r,$importbutton,$closebutton,$diropendb) = @_;
     my $connection = $r->connection;      my $connection = $r->connection;
     $r->print(&search_results_header($importbutton,$closebutton));      $r->print(&search_results_header($importbutton,$closebutton));
     ##      ##
Line 2525  sub parse_row { Line 2496  sub parse_row {
         $Fields{$Datatypes[$i]->{'name'}}=&Apache::lonnet::unescape($Row[$i]);          $Fields{$Datatypes[$i]->{'name'}}=&Apache::lonnet::unescape($Row[$i]);
     }      }
     $Fields{'language'} =       $Fields{'language'} = 
         &Apache::loncommon::languagedescription($Fields{'lang'});          &Apache::loncommon::languagedescription($Fields{'language'});
     $Fields{'copyrighttag'} =      $Fields{'copyrighttag'} =
         &Apache::loncommon::copyrightdescription($Fields{'copyright'});          &Apache::loncommon::copyrightdescription($Fields{'copyright'});
     $Fields{'mimetag'} =      $Fields{'mimetag'} =
Line 2541  sub parse_row { Line 2512  sub parse_row {
 =item &parse_raw_result()  =item &parse_raw_result()
   
 Takes a line from the file of results and parse it.  Returns a hash   Takes a line from the file of results and parse it.  Returns a hash 
 with keys for the following fields:  with keys according to column labels
 'title', 'author', 'subject', 'url', 'keywords', 'version', 'notes',   
 'abstract', 'mime', 'lang', 'owner', 'copyright', 'creationdate',   
 'lastrevisiondate'.  
   
 In addition, the following tags are set by calling the appropriate   In addition, the following tags are set by calling the appropriate 
 lonnet function: 'language', 'cprtag', 'mimetag'.  lonnet function: 'language', 'copyrighttag', 'mimetag'.
   
 The 'title' field is set to "Untitled" if the title field is blank.  The 'title' field is set to "Untitled" if the title field is blank.
   
Line 2568  sub parse_raw_result { Line 2536  sub parse_raw_result {
     my @fields=map {      my @fields=map {
         &Apache::lonnet::unescape($_);          &Apache::lonnet::unescape($_);
     } (split(/\,/,$result));      } (split(/\,/,$result));
     my ($title,$author,$subject,$url,$keywords,$version,  # conclude from self to others regarding fields
         $notes,$abstract,$mime,$lang,      my @columns=&Apache::lonmysql::col_order('metadata');
         $creationdate,$lastrevisiondate,$owner,$copyright)=@fields;      my %Fields=();
     my %Fields =       for (my $i=0; $i<=$#columns; $i++) {
         ( title     => &Apache::lonnet::unescape($title),   $Fields{$columns[$i]}=$fields[$i];
           author    => &Apache::lonnet::unescape($author),      }
           subject   => &Apache::lonnet::unescape($subject),  # prettier display
           url       => &Apache::lonnet::unescape($url),  
           keywords  => &Apache::lonnet::unescape($keywords),  
           version   => &Apache::lonnet::unescape($version),  
           notes     => &Apache::lonnet::unescape($notes),  
           abstract  => &Apache::lonnet::unescape($abstract),  
           mime      => &Apache::lonnet::unescape($mime),  
           lang      => &Apache::lonnet::unescape($lang),  
           owner     => &Apache::lonnet::unescape($owner),  
           copyright => &Apache::lonnet::unescape($copyright),  
           creationdate     => &Apache::lonnet::unescape($creationdate),  
           lastrevisiondate => &Apache::lonnet::unescape($lastrevisiondate)  
         );  
     $Fields{'language'} =       $Fields{'language'} = 
         &Apache::loncommon::languagedescription($Fields{'lang'});          &Apache::loncommon::languagedescription($Fields{'language'});
     $Fields{'copyrighttag'} =      $Fields{'copyrighttag'} =
         &Apache::loncommon::copyrightdescription($Fields{'copyright'});          &Apache::loncommon::copyrightdescription($Fields{'copyright'});
     $Fields{'mimetag'} =      $Fields{'mimetag'} =
Line 2602  sub parse_raw_result { Line 2558  sub parse_raw_result {
         $Fields{'title'}='Untitled';           $Fields{'title'}='Untitled'; 
     }      }
     unless ($ENV{'user.adv'}) {      unless ($ENV{'user.adv'}) {
         # What is this anyway?          # do not show descriptive information to non-advanced users
         $Fields{'keywords'} = '- not displayed -';          $Fields{'keywords'} = '- not displayed -';
         $Fields{'notes'}    = '- not displayed -';          $Fields{'notes'}    = '- not displayed -';
         $Fields{'abstract'} = '- not displayed -';          $Fields{'abstract'} = '- not displayed -';
Line 2710  the name of the input field to put the t Line 2666  the name of the input field to put the t
 ######################################################################  ######################################################################
 sub search_results_header {  sub search_results_header {
     my ($importbutton,$closebutton) = @_;      my ($importbutton,$closebutton) = @_;
       my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
     my $result = '';      my $result = '';
     # output beginning of search page      # output beginning of search page
     # conditional output of script functions dependent on the mode in      # conditional output of script functions dependent on the mode in
Line 2813  END Line 2770  END
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
 sub search_status_header {  sub search_status_header {
       my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
     return <<ENDSTATUS;      return <<ENDSTATUS;
 <html><head><title>Search Status</title></head>  <html><head><title>Search Status</title></head>
 $bodytag  $bodytag
Line 2892  sub detailed_citation_view { Line 2850  sub detailed_citation_view {
 <b>Notes:         </b> $values{'notes'}<br />  <b>Notes:         </b> $values{'notes'}<br />
 <b>MIME Type:     </b> $values{'mimetag'}<br />  <b>MIME Type:     </b> $values{'mimetag'}<br />
 <b>Language:      </b> $values{'language'}<br />  <b>Language:      </b> $values{'language'}<br />
 <b>Copyright/Distribution:</b> $values{'cprtag'}<br />  <b>Copyright/Distribution:</b> $values{'copyrighttag'}<br />
 </p>  </p>
 $values{'extrashow'}  $values{'extrashow'}
 <p>  <p>
Line 3021  $prefix Line 2979  $prefix
 &lt;mimetag&gt;$values{'mimetag'}&lt;/mimetag&gt;  &lt;mimetag&gt;$values{'mimetag'}&lt;/mimetag&gt;
 &lt;/mimeInfo&gt;  &lt;/mimeInfo&gt;
 &lt;languageInfo&gt;  &lt;languageInfo&gt;
 &lt;language&gt;$values{'lang'}&lt;/language&gt;  &lt;language&gt;$values{'language'}&lt;/language&gt;
 &lt;languagetag&gt;$values{'language'}&lt;/languagetag&gt;  &lt;languagetag&gt;$values{'languagetag'}&lt;/languagetag&gt;
 &lt;/languageInfo&gt;  &lt;/languageInfo&gt;
 &lt;creationdate&gt;$values{'creationdate'}&lt;/creationdate&gt;  &lt;creationdate&gt;$values{'creationdate'}&lt;/creationdate&gt;
 &lt;lastrevisiondate&gt;$values{'lastrevisiondate'}&lt;/lastrevisiondate&gt;  &lt;lastrevisiondate&gt;$values{'lastrevisiondate'}&lt;/lastrevisiondate&gt;
Line 3083  $parms is extra information to include i Line 3041  $parms is extra information to include i
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
 sub output_blank_field_error {  sub output_blank_field_error {
     my ($r,$closebutton,$parms)=@_;      my ($r,$closebutton,$parms,$hidden_fields)=@_;
       my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
     # make query information persistent to allow for subsequent revision      # make query information persistent to allow for subsequent revision
     $r->print(<<BEGINNING);      $r->print(<<BEGINNING);
 <html>  <html>
Line 3132  Inputs: Line 3091  Inputs:
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
 sub output_date_error {  sub output_date_error {
     my ($r,$message,$closebutton)=@_;      my ($r,$message,$closebutton,$hidden_fields)=@_;
     # make query information persistent to allow for subsequent revision      # make query information persistent to allow for subsequent revision
       my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
     $r->print(<<RESULTS);      $r->print(<<RESULTS);
 <html>  <html>
 <head>  <head>
Removed from v.1.192.2.1  
changed lines
  Added in v.1.198

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