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Diff for /loncom/interface/lonsearchcat.pm between versions 1.194 and 1.201

version 1.194, 2003/12/11 20:59:54 version 1.201, 2004/01/02 16:34:03
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 82  use Text::Query; Line 70  use Text::Query;
 use GDBM_File;  use GDBM_File;
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonmysql();  use Apache::lonmysql();
   use Apache::lonmeta;
   use Apache::lonhtmlcommon;
 use Apache::lonlocal;  use Apache::lonlocal;
   
 # ---------------------------------------- variables used throughout the module  
   
 ######################################################################  
 ######################################################################  
   
 =pod   
   
 =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  
   
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
   ##
 # -- dynamically rendered interface components  ## Global variables
 my $importbutton; # button to take the selected results and go to group sorting  ##
   ######################################################################
 # -- miscellaneous variables  ######################################################################
 my %groupsearch_db;     # database hash  my %groupsearch_db;  # Database hash used to save values for the 
 my $diropendb = "";    # db file                       # groupsearch RAT interface.
 #             View Description           Function Pointer  my %persistent_db;   # gdbm hash which holds data which is supposed to
 my %Views = ("Detailed Citation View" => \&detailed_citation_view,                       # persist across calls to lonsearchcat.pm
              "Summary View"           => \&summary_view,  
              "Fielded Format"         => \&fielded_format_view,  # The different view modes and associated functions
              "XML/SGML"               => \&xml_sgml_view,  
              "Compact View"           => \&compact_view);  my %Views = ("detailed" => \&detailed_citation_view,
 my %persistent_db;       "summary"  => \&summary_view,
 my $hidden_fields;       "fielded"  => \&fielded_format_view,
 my $bodytag;       "xml"      => \&xml_sgml_view,
        "compact"  => \&compact_view);
 #  
 # 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 $r=shift;
Line 420  sub course_search { Line 366  sub course_search {
     if ($ENV{'form.crsrelated'}) {      if ($ENV{'form.crsrelated'}) {
         ($search_string,@New_Words) = &related_version($ENV{'form.courseexp'});          ($search_string,@New_Words) = &related_version($ENV{'form.courseexp'});
         if (@New_Words) {          if (@New_Words) {
             $pretty_search_string .= " with related words: <b>@New_Words</b>.";              $pretty_search_string .= ' '.&mt("with related words").": <b>@New_Words</b>.";
         } else {          } else {
             $pretty_search_string .= " with no related words.";              $pretty_search_string .= ' '.&mt('with no related words').".";
         }          }
     }      }
     my $fulltext=$ENV{'form.crsfulltext'};      my $fulltext=$ENV{'form.crsfulltext'};
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 546  $bodytag Line 485  $bodytag
 ENDDOCUMENT  ENDDOCUMENT
 if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) {  if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) {
     my $CatalogSearch=&mt('Catalog Search');      my $CatalogSearch=&mt('Catalog Search');
     my $Statement=&mt('Enter terms or phrases separated by AND, OR, or NOT then press SEARCH below');      my $Statement=&searchhelp();
     $scrout.=(<<ENDDOCUMENT);      $scrout.=(<<ENDDOCUMENT);
 <h1>$CatalogSearch</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>
Line 559  $Statement. Line 498  $Statement.
 <table>  <table>
 <tr><td>  <tr><td>
 ENDDOCUMENT  ENDDOCUMENT
     $scrout.='&nbsp;'.&simpletextfield('basicexp',$ENV{'form.basicexp'},40).      $scrout.='&nbsp;'.&Apache::lonhtmlcommon::textbox('basicexp',
                                               $ENV{'form.basicexp'},40).
         '&nbsp;';          '&nbsp;';
     my $relatedcheckbox = &simplecheckbox('related',$ENV{'form.related'});      my $relatedcheckbox = &Apache::lonhtmlcommon::checkbox('related',
    $ENV{'form.related'});
     my $domain = $r->dir_config('lonDefDomain');      my $domain = $r->dir_config('lonDefDomain');
     my $domaincheckbox = &simplecheckbox('domains',$domain);      my $domaincheckbox = &Apache::lonhtmlcommon::checkbox('domains',
    $ENV{'form.domains'});
     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 $userelatedwords=&mt('use related words');
     my $onlysearchdomain=&mt('only search domain');      my $onlysearchdomain=&mt('only search domain');
       my $view=&viewoptions();
     $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=$ENV{'form.mode'}"
Line 576  href="/adm/searchcat?phase=disp_adv&cata Line 519  href="/adm/searchcat?phase=disp_adv&cata
     <td>$domaincheckbox $onlysearchdomain <b>$domain</b></td></tr>      <td>$domaincheckbox $onlysearchdomain <b>$domain</b></td></tr>
 </table>  </table>
 </p>  </p>
   $view
 <p>  <p>
 &nbsp;<input type="submit" name="basicsubmit" value='$srch' />&nbsp;  &nbsp;<input type="submit" name="basicsubmit" value='$srch' />&nbsp;
 $closebutton  $closebutton
 END  END
     $scrout.=&selectbox('View','viewselect',  
  $ENV{'form.viewselect'},  
  undef,undef,undef,  
  sort(keys(%Views)));  
     $scrout.=&selectbox('Per Page','show',  
  $ENV{'form.show'},  
  undef,undef,undef,  
  (10,20,50,100));  
     $scrout.=<<ENDDOCUMENT;      $scrout.=<<ENDDOCUMENT;
 </p>  </p>
 </form>  </form>
Line 598  ENDDOCUMENT Line 534  ENDDOCUMENT
    'srch' => 'Search',     'srch' => 'Search',
                                            'header' => 'Course Search',                                             'header' => 'Course Search',
  'note' => 'Enter terms or phrases, then press "Search" below',   'note' => 'Enter terms or phrases, then press "Search" below',
    'use' => 'use related words',
    'full' =>'fulltext search (time consuming)'
    );     );
         $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 613  $lt{'note'}. Line 551  $lt{'note'}.
 <tr><td>  <tr><td>
 ENDCOURSESEARCH  ENDCOURSESEARCH
         $scrout.='&nbsp;'.          $scrout.='&nbsp;'.
             &simpletextfield('courseexp',$ENV{'form.courseexp'},40);              &Apache::lonhtmlcommon::textbox('courseexp',
                                     $ENV{'form.courseexp'},40);
         my $crscheckbox =           my $crscheckbox = 
             &simplecheckbox('crsfulltext',$ENV{'form.crsfulltext'});              &Apache::lonhtmlcommon::checkbox('crsfulltext',
                                      $ENV{'form.crsfulltext'});
         my $relcheckbox =           my $relcheckbox = 
             &simplecheckbox('crsrelated',$ENV{'form.crsrelated'});              &Apache::lonhtmlcommon::checkbox('crsrelated',
      $ENV{'form.crsrelated'});
         $scrout.=(<<ENDENDCOURSE);          $scrout.=(<<ENDENDCOURSE);
 </td></tr>  </td></tr>
 <tr><td>$relcheckbox use related words</td><td></td></tr>  <tr><td>$relcheckbox $lt{'use'}</td><td></td></tr>
 <tr><td>$crscheckbox fulltext search (time consuming)</td><td></td></tr>  <tr><td>$crscheckbox $lt{'full'}</td><td></td></tr>
 </table><p>  </table><p>
 &nbsp;<input type="submit" name="coursesubmit" value='$lt{'srch'}' />  &nbsp;<input type="submit" name="coursesubmit" value='$lt{'srch'}' />
 </p>  </p>
Line 649  Returns a scalar which holds html for th Line 590  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 %lt=&Apache::lonlocal::texthash('srch' => 'Search',
          'reset' => 'Reset',
          'help' => 'Help');
     my $advanced_buttons = <<"END";      my $advanced_buttons = <<"END";
 <p>  <p>
 <input type="submit" name="advancedsubmit" value='SEARCH' />  <input type="submit" name="advancedsubmit" value='$lt{"srch"}' />
 <input type="reset" name="reset" value='RESET' />  <input type="reset" name="reset" value='$lt{"reset"}' />
 $closebutton  $closebutton
 <input type="button" value="HELP" onClick="openhelp()" />  <input type="button" value="$lt{'help'}" onClick="openhelp()" />
 </p>  </p>
 END  END
     if (!defined($ENV{'form.viewselect'})) {  
         $ENV{'form.viewselect'} ="Detailed Citation View";  
     }  
     my $bodytag=&Apache::loncommon::bodytag('Advanced Catalog Search');      my $bodytag=&Apache::loncommon::bodytag('Advanced Catalog Search');
       my $searchhelp=&searchhelp();
     my $scrout=<<"ENDHEADER";      my $scrout=<<"ENDHEADER";
 <html>  <html>
 <head>  <head>
Line 675  END Line 617  END
 </script>  </script>
 </head>  </head>
 $bodytag  $bodytag
 Enter terms or phrases separated by search operators   $searchhelp
 such as AND, OR, or NOT.<br />  <form method="post" action="/adm/searchcat" name="advsearch">
 <form method="post" action="/adm/searchcat">  
 $advanced_buttons  $advanced_buttons
 $hidden_fields  $hidden_fields
 <input type="hidden" name="phase" value="adv_search" />  <input type="hidden" name="phase" value="adv_search" />
 <table>  
 <tr><td><font color="#800000" face="helvetica"><b>VIEW:</b></font></td>  
 <td>  
 ENDHEADER  ENDHEADER
     $scrout.=&selectbox(undef,'viewselect',      $scrout.=&viewoptions();
  $ENV{'form.viewselect'},      my %fields=&Apache::lonmeta::fieldnames();
  undef,undef,undef,  
  sort(keys(%Views)));      $scrout.='<table>';
     $scrout.='&nbsp;';      $scrout.="<tr><th>".&mt('Field').'</th><th>'.&mt('Value').'</th><th>'
     $scrout.=&selectbox(undef,'show',   .&mt('Related').'<br />'.&mt('Words')."</td></tr>\n";
  $ENV{'form.show'},      foreach ('title','author','keywords','notes','abstract','standards',
  undef,undef,undef,       'lowestgradelevel','highestgradelevel','mime') {
  (10,20,50,100));   $scrout.='<tr bgcolor="#FFFFBB"><td>'.&titlefield($fields{$_}).'</td><td>'.
     $scrout.='&nbsp;'.      &Apache::lonmeta::prettyinput($_,$ENV{'form.'.$_},$_,'advsearch',
         '<font color="#800000" face="helvetica">'.&mt('Per Page').'</font>';    1,'</td><td>',$ENV{'form.'.$_.'_related'}).
     $scrout.="</td><td>".&mt('Related').'<br />'.&mt('Words')."</td></tr>\n";      '</td></tr>';
     $scrout.=&searchphrasefield_with_related('title',   'title'   ,      }
                                              $ENV{'form.title'});      my %dates=&Apache::lonlocal::texthash('creationdatestart'     => 'Creation Date After',
     $scrout.=&searchphrasefield('author',  'author'  ,$ENV{'form.author'});      'creationdateend'       => 'Creation Date Before',
     $scrout.=&searchphrasefield_with_related('subject', 'subject' ,    'lastrevisiondatestart' => 'Last Revision Date After',
                                              $ENV{'form.subject'});    'lastrevisiondateend'   => 'Last Revision Date Before');
     $scrout.=&searchphrasefield_with_related('keywords','keywords',      foreach (sort keys %dates) {
                                              $ENV{'form.keywords'});   $scrout.='<tr><td>'.&titlefield($dates{$_}).'</td><td>'. 
     $scrout.=&searchphrasefield('URL',     'url'     ,$ENV{'form.url'});      &Apache::lonhtmlcommon::date_setter('advsearch',$_,0,'',1).
     $scrout.=&searchphrasefield_with_related('notes',   'notes'   ,      '</td><td>&nbsp;</td></td></tr>';
                                              $ENV{'form.notes'});      }
     $scrout.=&searchphrasefield_with_related('abstract','abstract',      
                                              $ENV{'form.abstract'});  
   
     # 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',
                         $ENV{'form.extension'});  #                        $ENV{'form.extension'});
     $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('publisher<br />owner','owner',  #    $scrout.=&searchphrasefield('publisher<br />owner','owner',
  $ENV{'form.owner'});   # $ENV{'form.owner'});
     $scrout.="</table>\n";      $scrout.="</table>\n";
     $ENV{'form.category'}='any' if (! defined($ENV{'form.category'}));  #    $scrout.=&Apache::lonmeta::selectbox('File Category','category',
     $scrout.=&selectbox('File Category','category',  # $ENV{'form.category'},
  $ENV{'form.category'},  # 'any','Any category',
  'any','Any category',  # undef,
  undef,  # (&Apache::loncommon::filecategories()));
  (&Apache::loncommon::filecategories()));  
     $ENV{'form.language'}='any' unless length($ENV{'form.language'});  
     #----------------------------------------------------------------      #----------------------------------------------------------------
     # Allow restriction to multiple domains.      # Allow restriction to multiple domains.
     #   I make the crazy assumption that there will never be a domain 'any'.      #   I make the crazy assumption that there will never be a domain 'any'.
     #      #
     $ENV{'form.domains'} = 'any' if (! exists($ENV{'form.domains'}));  
     my @allowed_domains = (ref($ENV{'form.domains'}) ? @{$ENV{'form.domains'}}       my @allowed_domains = (ref($ENV{'form.domains'}) ? @{$ENV{'form.domains'}} 
                            :  ($ENV{'form.domains'}) );                             :  ($ENV{'form.domains'}) );
     my %domain_hash = ();      my %domain_hash = ();
Line 739  ENDHEADER Line 675  ENDHEADER
     # adjust the size of the select box      # adjust the size of the select box
     my $size = 4;      my $size = 4;
     $size = (scalar @domains < ($size - 1) ? scalar @domains + 1 : $size);      $size = (scalar @domains < ($size - 1) ? scalar @domains + 1 : $size);
     $scrout.="\n".'<font color="#800000" face="helvetica"><b>'.      $scrout.="\n".&titlefield(&mt('Domain to be searched')).
         'DOMAINS TO BE SEARCHED</b></font><br />'.  
             '<select name="domains" size="'.$size.'" multiple>'."\n".              '<select name="domains" size="'.$size.'" multiple>'."\n".
                 '<option name="any" value="any" '.                  '<option name="any" value="any" '.
                     ($domain_hash{'any'}? 'selected ' :'').                      ($domain_hash{'any'}? 'selected ' :'').
Line 750  ENDHEADER Line 685  ENDHEADER
             ($domain_hash{$dom} ? 'selected ' :'').">$dom</option>\n";              ($domain_hash{$dom} ? 'selected ' :'').">$dom</option>\n";
     }      }
     $scrout.="</select>\n";      $scrout.="</select>\n";
     #----------------------------------------------------------------  
     $scrout.=&selectbox('Limit by language','language',  
  $ENV{'form.language'},'any','Any Language',  
  \&Apache::loncommon::languagedescription,  
  (&Apache::loncommon::languageids),  
  );  
 # ------------------------------------------------ Compute date selection boxes  
     $scrout.=<<CREATIONDATESTART;  
 <p>  
 <font color="#800000" face="helvetica"><b>LIMIT BY CREATION DATE RANGE:</b>  
 </font>  
 <br />  
 between:  
 CREATIONDATESTART  
     $scrout.=&dateboxes('creationdatestart',1,1,1976,  
  $ENV{'form.creationdatestart_month'},  
  $ENV{'form.creationdatestart_day'},  
  $ENV{'form.creationdatestart_year'},  
  );  
     $scrout.="and:\n";  
     $scrout.=&dateboxes('creationdateend',12,31,2051,  
  $ENV{'form.creationdateend_month'},  
  $ENV{'form.creationdateend_day'},  
  $ENV{'form.creationdateend_year'},  
  );  
     $scrout.="</p>";  
     $scrout.=<<LASTREVISIONDATESTART;  
 <p>  
 <font color="#800000" face="helvetica"><b>LIMIT BY LAST REVISION DATE RANGE:  
 </b></font>  
 <br />between:  
 LASTREVISIONDATESTART  
     $scrout.=&dateboxes('lastrevisiondatestart',1,1,1976,  
  $ENV{'form.lastrevisiondatestart_month'},  
  $ENV{'form.lastrevisiondatestart_day'},  
  $ENV{'form.lastrevisiondatestart_year'},  
  );  
     $scrout.=<<LASTREVISIONDATEEND;  
 and:  
 LASTREVISIONDATEEND  
     $scrout.=&dateboxes('lastrevisiondateend',12,31,2051,  
  $ENV{'form.lastrevisiondateend_month'},  
  $ENV{'form.lastrevisiondateend_day'},  
  $ENV{'form.lastrevisiondateend_year'},  
  );  
     $scrout.='</p>';  
     $ENV{'form.copyright'}='any' unless length($ENV{'form.copyright'});  
     $scrout.=&selectbox('Limit by copyright/distribution','copyright',  
  $ENV{'form.copyright'},  
  'any','Any copyright/distribution',  
  \&Apache::loncommon::copyrightdescription,  
  (&Apache::loncommon::copyrightids),  
  );  
 # ------------------------------------------- Compute customized metadata field  # ------------------------------------------- Compute customized metadata field
 #    $scrout.=<<CUSTOMMETADATA;  #    $scrout.=<<CUSTOMMETADATA;
 #<p>  #<p>
Line 832  ENDDOCUMENT Line 715  ENDDOCUMENT
     $r->print($scrout);      $r->print($scrout);
     return;      return;
 }  }
   ######################################################################
   ######################################################################
   
   =pod 
   
   =item &titlefield
   
   Inputs: title text
   
   Outputs: titletext with font wrapper
   
   =cut
   
   ######################################################################
   ######################################################################
   
   sub titlefield {
       my $title=shift;
       return '<font face="arial" color="#800000">'.$title.'</font>';
   }
   ######################################################################
   ######################################################################
   
   =pod 
   
   =item viewoptiontext
   
   Inputs: codename for view option
   
   Outputs: displayed text
   
   =cut
   
   ######################################################################
   ######################################################################
   
   sub viewoptiontext {
       my $code=shift;
       my %desc=&Apache::lonlocal::texthash('detailed' => "Detailed Citation View",
    'xml' => 'XML/SGML',
    'compact' => 'Compact View',
    'fielded' => 'Fielded Format',
    'summary' => 'Summary View');
       return $desc{$code};
   }
   ######################################################################
   
   =pod 
   
   =item viewoptions
   
   Inputs: none
   
   Outputs: text for box with view options
   
   =cut
   
   ######################################################################
   ######################################################################
   
   sub viewoptions {
       my $scrout="\n\n".'<table bgcolor="#FFFFBB"><tr><th>'.&mt('View Options').'</th><th>'.
    &mt('Records per Page').'</th></tr><tr><td>';
       unless ($ENV{'form.viewselect'}) { $ENV{'form.viewselect'}='detailed'; }
       $scrout.=&Apache::lonmeta::selectbox('viewselect',
    $ENV{'form.viewselect'},
    \&viewoptiontext,
    sort(keys(%Views)));
       $scrout.='</td><td>';
       $scrout.=&Apache::lonmeta::selectbox('show',
    $ENV{'form.show'},
    undef,
    (10,20,50,100,1000,10000));
       $scrout.="</td></tr></table>\n\n";
       return $scrout;
   }
   
   ######################################################################
   
   =pod 
   
   =item searchhelp
   
   Inputs: none
   
   Outputs: return little blurb on how to enter searches
   
   =cut
   
   ######################################################################
   ######################################################################
   
   sub searchhelp {
       return &mt('Enter terms or phrases separated by AND, OR, or NOT');
   }
   
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
Line 994  sub make_form_data_persistent { Line 972  sub make_form_data_persistent {
 }  }
   
 ######################################################################  ######################################################################
 #                HTML form building functions                        #    
 ######################################################################  
   
 =pod   
   
 =item HTML form building functions  
   
 =over 4  
   
 =cut  
   
 ###############################################  
 ###############################################  
   
 =pod  
   
 =item &simpletextfield()   
   
 Inputs: $name,$value,$size  
   
 Returns a text input field with the given name, value, and size.    
 If size is not specified, a value of 20 is used.  
   
 =cut  
   
 ###############################################  
 ###############################################  
   
 sub simpletextfield {  
     my ($name,$value,$size)=@_;  
     $size = 20 if (! defined($size));  
     return '<input type="text" name="'.$name.  
         '" size="'.$size.'" value="'.$value.'" />';  
 }  
   
 ###############################################  
 ###############################################  
   
 =pod  
   
 =item &simplecheckbox()  
   
 Inputs: $name,$value  
   
 Returns a simple check box with the given $name.  
 If $value eq 'on' the box is checked.  
   
 =cut  
   
 ###############################################  
 ###############################################  
   
 sub simplecheckbox{  
     my ($name,$value,$checked)=@_;  
     $checked="checked" if ($value eq 'on');  
     return '<input type="checkbox" name="'.$name.'" value="'.$value.'" '.  
         $checked.' />';  
 }  
   
 ###############################################  
 ###############################################  
   
 =pod  
   
 =item &fieldtitle()  
   
 Input: $title  
   
 Returns a scalar with html which will display $title as a search  
 field heading.  
   
 =cut  
   
 ###############################################  
 ###############################################  
   
 sub fieldtitle {  
     my $title = uc(&mt(shift()));  
     return '<font color="#800000" face="helvetica"><b>'.$title.  
         ':&nbsp;</b></font>';  
 }  
   
 ###############################################  
 ###############################################  
   
 =pod  
   
 =item &searchphrasefield()  
   
 Inputs: $title,$name,$value  
   
 Returns html for a title line and an input field for entering search terms.  
 The entry field (which is where the $name and $value are used) is a 50 column   
 simpletextfield.  The html returned is for a row in a three column table.  
   
 =cut  
   
 ###############################################  
 ###############################################  
       
 sub searchphrasefield {  
     my ($title,$name,$value)=@_;  
     return '<tr><td>'.&fieldtitle($title).'</td><td>'.  
         &simpletextfield($name,$value,50)."</td><td>&nbsp;</td></tr>\n";  
 }  
   
 ###############################################  
 ###############################################  
   
 =pod  
   
 =item &searchphrasefield_with_related()  
   
 Inputs: $title,$name,$value  
   
 Returns html for a title line and an input field for entering search terms  
 and a check box for 'related words'.  The entry field (which is where the   
 $name and $value are used) is a 50 column simpletextfield.  The name of  
 the related words checkbox is "$name_related".  
   
 =cut  
   
 ###############################################  
 ###############################################  
       
 sub searchphrasefield_with_related {  
     my ($title,$name,$value)=@_;  
     return '<tr><td>'.&fieldtitle($title).'</td><td>'.  
         &simpletextfield($name,$value,50).'</td><td align="center">&nbsp;'.  
             &simplecheckbox($name.'_related',$ENV{'form.'.$name.'_related'}).  
                 "&nbsp;</td></tr>\n";  
 }  
   
 ###############################################  
 ###############################################  
   
 =pod  
   
 =item &dateboxes()  
   
 Returns html selection form elements for the specification of   
 the day, month, and year.  
   
 =cut  
   
 ###############################################  
 ###############################################  
   
 sub dateboxes {  
     my ($name,$defaultmonth,$defaultday,$defaultyear,  
  $currentmonth,$currentday,$currentyear)=@_;  
     ($defaultmonth,$defaultday,$defaultyear)=('','','');  
     #  
     # Day  
     my $day=<<END;  
 <select name="${name}_day">  
 <option value='$defaultday'> </option>  
 END  
     for (my $i = 1; $i<=31; $i++) {  
  $day.="<option value=\"$i\">$i</option>\n";  
     }  
     $day.="</select>\n";  
     $day=~s/(\"$currentday\")/$1 SELECTED/ if length($currentday);  
     #  
     # Month  
     my $month=<<END;  
 <select name="${name}_month">  
 <option value='$defaultmonth'> </option>  
 END  
     my $i = 1;  
     foreach (qw/January February March April May June   
      July August September October November December /){  
  $month .="<option value=\"$i\">".&mt($_)."</option>\n";  
  $i++;  
     }  
     $month.="</select>\n";  
     $month=~s/(\"$currentmonth\")/$1 SELECTED/ if length($currentmonth);  
     #  
     # Year (obviously)  
     my $year=<<END;  
 <select name="${name}_year">  
 <option value='$defaultyear'> </option>  
 END  
     my $maxyear = 2051;   
     for (my $i = 1976; $i<=$maxyear; $i++) {  
  $year.="<option value=\"$i\">$i</option>\n";  
     }  
     $year.="</select>\n";  
     $year=~s/(\"$currentyear\")/$1 SELECTED/ if length($currentyear);  
     return "$month$day$year";  
 }  
   
 ###############################################  
 ###############################################  
   
 =pod  
   
 =item &selectbox()  
   
 Returns a scalar containing an html <select> form.    
   
 Inputs:   
   
 =over 4  
   
 =item $title   
   
 Printed above the select box, in uppercase.  If undefined, only a select  
 box will be returned, with no additional html.  
   
 =item $name   
   
 The name element of the <select> tag.  
   
 =item $default   
   
 The default value of the form.  Can be $anyvalue, or in @idlist.  
   
 =item $anyvalue   
   
 The <option value="..."> used to indicate a default of   
 none of the values.  Can be undef.  
   
 =item $anytag   
   
 The text associate with $anyvalue above.  
   
 =item $functionref   
   
 Each element in @idlist will be passed as a parameter   
 to the function referenced here.  The return value of the function should  
 be a scalar description of the items.  If this value is undefined the   
 description of each item in @idlist will be the item name.  
   
 =item @idlist   
   
 The items to be selected from.  One of these or $anyvalue will be the   
 value returned by the form element, $ENV{form.$name}.  
   
 =back  
   
 =cut  
   
 ###############################################  
   
 sub selectbox {  
     my ($title,$name,$default,$anyvalue,$anytag,$functionref,@idlist)=@_;  
     if (! defined($functionref)) { $functionref = sub { $_[0]}; }  
     my $selout='';  
     $title=&mt($title);  
     if (defined($title)) {  
         my $uctitle=uc($title);  
         $selout="\n".'<p><font color="#800000" face="helvetica">'.  
             '<b>'.$uctitle.': </b></font>';  
     }  
     $selout .= '<select name="'.$name.'">';  
     unshift @idlist,$anyvalue if (defined($anyvalue));  
     foreach (@idlist) {  
         $selout.='<option value="'.$_.'"';  
         if ($_ eq $default and !/^any$/) {  
     $selout.=' selected >'.&mt(&{$functionref}($_)).'</option>';  
  }  
  elsif ($_ eq $default and /^$anyvalue$/) {  
     $selout.=' selected >'.&mt($anytag).'</option>';  
  }  
         else {$selout.='>'.&mt(&{$functionref}($_)).'</option>';}  
     }  
     return $selout.'</select>'.(defined($title)?'</p>':' ');  
 }  
   
 ######################################################################  
 #                End of HTML form building functions                 #    
 ######################################################################  
   
 =pod  
   
 =back   
   
 =cut  
   
   
 ######################################################################  
 ######################################################################  ######################################################################
   
 =pod   =pod 
Line 1301  Parse advanced search form and return th Line 997  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 $pretty_search_string = "<br />\n";
     # Clean up fields for safety      # Clean up fields for safety
Line 1335  sub parse_advanced_search { Line 1031  sub parse_advanced_search {
  }   }
     }      }
     unless ($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 1344  sub parse_advanced_search { Line 1040  sub parse_advanced_search {
     my $font = '<font color="#800000" face="helvetica">';      my $font = '<font color="#800000" face="helvetica">';
     # Evaluate logical expression AND/OR/NOT phrase fields.      # Evaluate logical expression AND/OR/NOT phrase fields.
     foreach my $field ('title','author','subject','notes','abstract','url',      foreach my $field ('title','author','subject','notes','abstract','url',
        'keywords','version','owner') {         'keywords','version','owner','standards') {
  if ($ENV{'form.'.$field}) {   if ($ENV{'form.'.$field}) {
             my $searchphrase = $ENV{'form.'.$field};              my $searchphrase = $ENV{'form.'.$field};
             $pretty_search_string .= $font."$field</font> contains <b>".              $pretty_search_string .= $font."$field</font> contains <b>".
Line 1418  sub parse_advanced_search { Line 1114  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 ($datequery) {
         # Here is where you would set up pretty_search_string to output          # Here is where you would set up pretty_search_string to output
Line 1853  sub ensure_db_and_table { Line 1549  sub ensure_db_and_table {
 ######################################################################  ######################################################################
 sub print_sort_form {  sub print_sort_form {
     my ($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 1961  my @Datatypes = Line 1658  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 2098  sub revise_button { Line 1821  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 = $r->connection;
     #      #
     # Timing variables      # Timing variables
Line 2348  sub prev_next_buttons { Line 2072  sub prev_next_buttons {
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
 sub display_results {  sub display_results {
     my ($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 2528  sub parse_row { Line 2252  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 2544  sub parse_row { Line 2268  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 2562  The 'title' field is set to "Untitled" i Line 2283  The 'title' field is set to "Untitled" i
 ###########################################################  ###########################################################
 sub parse_raw_result {  sub parse_raw_result {
     my ($result,$hostname) = @_;      my ($result,$hostname) = @_;
     # Check for a comma - if it is there then we do not need to unescape the  # conclude from self to others regarding fields
     # string.  There seems to be some kind of problem with some items in      my %Fields=&Apache::lonmeta::metadata_col_to_hash(
     # the database - the entire string gets sent out unescaped...?   map {
     unless ($result =~ /,/) {   &Apache::lonnet::unescape($_);
         $result = &Apache::lonnet::unescape($result);   } (split(/\,/,$result))
     }        );
     my @fields=map {  
         &Apache::lonnet::unescape($_);  
     } (split(/\,/,$result));  
     my ($title,$author,$subject,$url,$keywords,$version,  
         $notes,$abstract,$mime,$lang,  
         $creationdate,$lastrevisiondate,$owner,$copyright)=@fields;  
     my %Fields =   
         ( title     => &Apache::lonnet::unescape($title),  
           author    => &Apache::lonnet::unescape($author),  
           subject   => &Apache::lonnet::unescape($subject),  
           url       => &Apache::lonnet::unescape($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)  
         );  
     $Fields{'language'} =   
         &Apache::loncommon::languagedescription($Fields{'lang'});  
     $Fields{'copyrighttag'} =  
         &Apache::loncommon::copyrightdescription($Fields{'copyright'});  
     $Fields{'mimetag'} =  
         &Apache::loncommon::filedescription($Fields{'mime'});  
     if ($Fields{'author'}=~/^(\s*|error)$/) {  
         $Fields{'author'}="Unknown Author";  
     }  
     # Put spaces in the keyword list, if needed.  
     $Fields{'keywords'}=~ s/,([A-z])/, $1/g;   
     if ($Fields{'title'}=~ /^\s*$/ ) {   
         $Fields{'title'}='Untitled';   
     }  
     unless ($ENV{'user.adv'}) {  
         # What is this anyway?  
         $Fields{'keywords'} = '- not displayed -';  
         $Fields{'notes'}    = '- not displayed -';  
         $Fields{'abstract'} = '- not displayed -';  
         $Fields{'subject'}  = '- not displayed -';  
     }  
     if (length($Fields{'abstract'})>200) {  
         $Fields{'abstract'} =   
             substr($Fields{'abstract'},0,200).'...';  
     }  
     if (length($Fields{'keywords'})>200) {  
         $Fields{'keywords'} =  
             substr($Fields{'keywords'},0,200).'...';  
     }  
     return %Fields;      return %Fields;
 }  }
   
Line 2713  the name of the input field to put the t Line 2383  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 2816  END Line 2487  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 2895  sub detailed_citation_view { Line 2567  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 3024  $prefix Line 2696  $prefix
 &lt;mimetag&gt;$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 3086  $parms is extra information to include i Line 2758  $parms is extra information to include i
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
 sub output_blank_field_error {  sub output_blank_field_error {
     my ($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);      $r->print(<<BEGINNING);
 <html>  <html>
Line 3135  Inputs: Line 2808  Inputs:
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
 sub output_date_error {  sub output_date_error {
     my ($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.1.194  
changed lines
  Added in v.1.201

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