Diff for /loncom/interface/lonsearchcat.pm between versions 1.121 and 1.124

version 1.121, 2002/06/18 21:36:38 version 1.124, 2002/06/20 14:31:31
Line 121  button that closes the search window Line 121  button that closes the search window
   
 button to take the selecte results and go to group sorting  button to take the selecte results and go to group sorting
   
 =item $hidden  
   
 holds 'hidden' html forms  
   
 =item $scrout  
   
 string that holds portions of the screen output  
   
 =item $yourself  
   
 allows for quickly limiting to oneself  
   
 =item %hash     =item %hash   
   
 The ubiquitous database hash  The ubiquitous database hash
   
 =item $basicviewselect and $advancedviewselect  
   
 View selection forms.  These are not actually global and will be   
 moved soon.  
   
 =item $diropendb   =item $diropendb 
   
 The full path to the (temporary) search database file.  This is set and  The full path to the (temporary) search database file.  This is set and
Line 162  my %hitcount;    # stores number of hits Line 145  my %hitcount;    # stores number of hits
 # -- dynamically rendered interface components  # -- dynamically rendered interface components
 my $closebutton;  # button that closes the search window  my $closebutton;  # button that closes the search window
 my $importbutton; # button to take the selected results and go to group sorting  my $importbutton; # button to take the selected results and go to group sorting
 my $hidden;       # Holds 'hidden' html forms  
   
 # -- miscellaneous variables  # -- miscellaneous variables
 my $scrout;   # string that holds portions of the screen output  
 my $yourself; # allows for quickly limiting to oneself  my $yourself; # allows for quickly limiting to oneself
 my %hash;     # database hash  my %hash;     # database hash
   
Line 174  my %hash;     # database hash Line 155  my %hash;     # database hash
 # Summary View ---> sub summary_view  # Summary View ---> sub summary_view
 # Fielded Format ---> sub fielded_format_view  # Fielded Format ---> sub fielded_format_view
 # XML/SGML ---> sub xml_sgml_view  # XML/SGML ---> sub xml_sgml_view
 my $basicviewselect=<<END;  
 <select name='basicviewselect'>  
 <option value='Detailed Citation View' selected="true">  
 Detailed Citation View</option>  
 <option value='Summary View'>Summary View</option>  
 <option value='Fielded Format'>Fielded Format</option>  
 <option value='XML/SGML'>XML/SGML</option>  
 </select>  
 END  
 my $advancedviewselect=<<END;  
 <select name='advancedviewselect'>  
 <option value='Detailed Citation View' selected="true">  
 Detailed Citation View</option>  
 <option value='Summary View'>Summary View</option>  
 <option value='Fielded Format'>Fielded Format</option>  
 <option value='XML/SGML'>XML/SGML</option>  
 </select>  
 END  
   
 #------------------------------------------------------------- global variables  #------------------------------------------------------------- global variables
 my $diropendb = "";  my $diropendb = "";
Line 222  BEGIN { Line 185  BEGIN {
   
 =item &handler() - main handler invoked by httpd child  =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  =cut
   
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
 # ----------------------------- Handling routine called via Apache and mod_perl  
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     untie %hash;      untie %hash;
Line 236  sub handler { Line 212  sub handler {
     return OK if $r->header_only;      return OK if $r->header_only;
   
     my $domain  = $r->dir_config('lonDefDomain');      my $domain  = $r->dir_config('lonDefDomain');
     $diropendb= "/home/httpd/perl/tmp/".&Apache::lonnet::unescape($domain).      $diropendb= "/home/httpd/perl/tmp/".&Apache::lonnet::escape($domain).
             "\_".&Apache::lonnet::unescape($ENV{'user.name'})."_searchcat.db";              "\_".&Apache::lonnet::escape($ENV{'user.name'})."_searchcat.db";
   
     &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',
                 'reqinterface']);
       ##
       ## Clear out old values from database
       ##
     if ($ENV{'form.launch'} eq '1') {      if ($ENV{'form.launch'} eq '1') {
  if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) {   if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) {
     &start_fresh_session();      &start_fresh_session();
     untie %hash;      untie %hash;
  }   } else {
  else {  
     $r->print('<html><head></head><body>Unable to tie hash to db '.      $r->print('<html><head></head><body>Unable to tie hash to db '.
       'file</body></html>');        'file</body></html>');
     return OK;      return OK;
  }   }
     }      }
       ##
 # --------------------------- Produce some output, so people know it is working      ## Produce some output, so people know it is working
       ##
     $r->print("\n");      $r->print("\n");
     $r->rflush;      $r->rflush;
       ##
 # ----------------------------------- configure dynamic components of interface      ## Configure dynamic components of interface
       ##
       my $hidden;       # Holds 'hidden' html forms
     if ($ENV{'form.catalogmode'} eq 'interactive') {      if ($ENV{'form.catalogmode'} eq 'interactive') {
  $hidden="<input type='hidden' name='catalogmode' value='interactive'>".   $hidden="<input type='hidden' name='catalogmode' value='interactive'>".
     "\n";      "\n";
         $closebutton="<input type='button' name='close' value='CLOSE' ".          $closebutton="<input type='button' name='close' value='CLOSE' ".
     "onClick='self.close()'>"."\n";      "onClick='self.close()'>"."\n";
     }      } elsif ($ENV{'form.catalogmode'} eq 'groupsearch') {
     elsif ($ENV{'form.catalogmode'} eq 'groupsearch') {  
  $hidden=<<END;   $hidden=<<END;
 <input type='hidden' name='catalogmode' value='groupsearch'>  <input type='hidden' name='catalogmode' value='groupsearch'>
 END  END
Line 285  END Line 263  END
 <input type='hidden' name='element' value='$ENV{'form.element'}'>  <input type='hidden' name='element' value='$ENV{'form.element'}'>
 <input type='hidden' name='date' value='2'>  <input type='hidden' name='date' value='2'>
 END  END
 # ------------------------------------------------------ Determine current user      ##
     $yourself=$ENV{'user.name'}.'@'.$ENV{'user.domain'};      ##  What are we doing?
       ##
 # --- Now, depending on the interface actions, do one of three things here:  
 # --- 1. a basic search  
 # --- 2. an advanced search  
 # --- 3. output a search interface  
   
 # ----------------------------------- See if a search invocation should be done  
     if ($ENV{'form.basicsubmit'} eq 'SEARCH') {      if ($ENV{'form.basicsubmit'} eq 'SEARCH') {
  untie %hash; return &basicsearch($r,\%ENV);          # Perform basic search and give results
    return &basicsearch($r,\%ENV,$hidden);
       } elsif ($ENV{'form.advancedsubmit'} eq 'SEARCH') {
           # Perform advanced search and give results
    return &advancedsearch($r,\%ENV,$hidden);
       } elsif ($ENV{'form.reqinterface'} eq 'advanced') {
           # Output the advanced interface
           $r->print(&advanced_search_form($closebutton,$hidden));
           return OK;
       } else { 
           # Output normal search interface
           $r->print(&basic_search_form($closebutton,$hidden));
     }      }
     elsif ($ENV{'form.advancedsubmit'} eq 'SEARCH') {      return OK;
  untie %hash; return &advancedsearch($r,\%ENV);  } 
   
   ######################################################################
   ######################################################################
   
   =pod 
   
   =item &basic_search_form() 
   
   Returns a scalar which holds html for the basic search form.
   
   =cut
   
   ######################################################################
   ######################################################################
   
   sub basic_search_form{
       my ($closebutton,$hidden) = @_;
       my $scrout=<<"ENDDOCUMENT";
   <html>
   <head>
   <title>The LearningOnline Network with CAPA</title>
   <script type="text/javascript">
       function openhelp(val) {
    openhelpwin=open('/adm/help/searchcat.html','helpscreen',
        'scrollbars=1,width=600,height=300');
    openhelpwin.focus();
     }      }
   </script>
   </head>
   <body bgcolor="#FFFFFF">
   <img align='right' src='/adm/lonIcons/lonlogos.gif' />
   <h1>Search Catalog</h1>
   <form method="post" action="/adm/searchcat">
   $hidden
   <h3>Basic Search</h3>
   <p>
   Enter terms or phrases separated by AND, OR, or NOT then press SEARCH below.
   </p>
   <p>
   <table>
   <tr><td>
   ENDDOCUMENT
       $scrout.='&nbsp;'.&simpletextfield('basicexp',$ENV{'form.basicexp'},40).
           '&nbsp;';
   #    $scrout.=&simplecheckbox('allversions',$ENV{'form.allversions'});
   #    $scrout.='<font color="#800000">Search historic archives</font>';
       $scrout.=<<ENDDOCUMENT;
   </td><td><a href="/adm/searchcat?reqinterface=advanced">Advanced Search</a></td></tr></table>
   </p>
   <p>
   &nbsp;<input type="submit" name="basicsubmit" value='SEARCH' />&nbsp;
   $closebutton
   <!-- basic view selection -->
   <select name='basicviewselect'>
   <option value='Detailed Citation View' selected="true">
   Detailed Citation View</option>
   <option value='Summary View'>Summary View</option>
   <option value='Fielded Format'>Fielded Format</option>
   <option value='XML/SGML'>XML/SGML</option>
   </select>
   <!-- end of basic view selection -->
   <input type="button" value="HELP" onClick="openhelp()" />
   </p>
   </form>
   </body>
   </html>
   ENDDOCUMENT
       return $scrout;
   }
   ######################################################################
   ######################################################################
   
   =pod 
   
   =item &advanced_search_form() 
   
   Returns a scalar which holds html for the advanced search form.
   
 # ----------------------------- Else, begin building search interface to output  =cut
     $scrout=''; # building a part of screen output  
   ######################################################################
   ######################################################################
   
   sub advanced_search_form{
       my ($closebutton,$hidden) = @_;
       my $scrout=<<"ENDHEADER";
   <html>
   <head>
   <title>The LearningOnline Network with CAPA</title>
   <script type="text/javascript">
       function openhelp(val) {
    openhelpwin=open('/adm/help/searchcat.html','helpscreen',
        'scrollbars=1,width=600,height=300');
    openhelpwin.focus();
       }
   </script>
   </head>
   <body bgcolor="#FFFFFF">
   <img align='right' src='/adm/lonIcons/lonlogos.gif' />
   <h1>Search Catalog</h1>
   <form method="post" action="/adm/searchcat">
   $hidden
   <hr />
   <h3>Advanced Search</h3>
   ENDHEADER
     $scrout.=&searchphrasefield('Limit by title','title',      $scrout.=&searchphrasefield('Limit by title','title',
  $ENV{'form.title'});   $ENV{'form.title'});
   
     $scrout.=&searchphrasefield('Limit by author','author',      $scrout.=&searchphrasefield('Limit by author','author',
  $ENV{'form.author'});   $ENV{'form.author'});
   
     $scrout.=&searchphrasefield('Limit by subject','subject',      $scrout.=&searchphrasefield('Limit by subject','subject',
  $ENV{'form.subject'});   $ENV{'form.subject'});
   
     $scrout.=&searchphrasefield('Limit by keywords','keywords',      $scrout.=&searchphrasefield('Limit by keywords','keywords',
  $ENV{'form.keywords'});   $ENV{'form.keywords'});
   
     $scrout.=&searchphrasefield('Limit by URL','url',      $scrout.=&searchphrasefield('Limit by URL','url',
  $ENV{'form.url'});   $ENV{'form.url'});
   
 #    $scrout.=&searchphrasefield('Limit by version','version',  #    $scrout.=&searchphrasefield('Limit by version','version',
 # $ENV{'form.version'});  # $ENV{'form.version'});
   
     $scrout.=&searchphrasefield('Limit by notes','notes',      $scrout.=&searchphrasefield('Limit by notes','notes',
  $ENV{'form.notes'});   $ENV{'form.notes'});
   
     $scrout.=&searchphrasefield('Limit by abstract','abstract',      $scrout.=&searchphrasefield('Limit by abstract','abstract',
  $ENV{'form.abstract'});   $ENV{'form.abstract'});
   
     $ENV{'form.mime'}='any' unless length($ENV{'form.mime'});      $ENV{'form.mime'}='any' unless length($ENV{'form.mime'});
     $scrout.=&selectbox('Limit by MIME type','mime',      $scrout.=&selectbox('Limit by MIME type','mime',
  $ENV{'form.mime'},   $ENV{'form.mime'},
  'any','Any type',   'any','Any type',
  \&{Apache::loncommon::filedescriptionex},   \&{Apache::loncommon::filedescriptionex},
  (&Apache::loncommon::fileextensions));   (&Apache::loncommon::fileextensions));
   
     $ENV{'form.language'}='any' unless length($ENV{'form.language'});      $ENV{'form.language'}='any' unless length($ENV{'form.language'});
   
     $scrout.=&selectbox('Limit by language','language',      $scrout.=&selectbox('Limit by language','language',
  $ENV{'form.language'},'any','Any Language',   $ENV{'form.language'},'any','Any Language',
  \&{Apache::loncommon::languagedescription},   \&{Apache::loncommon::languagedescription},
  (&Apache::loncommon::languageids),   (&Apache::loncommon::languageids),
  );   );
   
 # ------------------------------------------------ Compute date selection boxes  # ------------------------------------------------ Compute date selection boxes
     $scrout.=<<CREATIONDATESTART;      $scrout.=<<CREATIONDATESTART;
 <p>  <p>
Line 355  CREATIONDATESTART Line 428  CREATIONDATESTART
  $ENV{'form.creationdatestart_day'},   $ENV{'form.creationdatestart_day'},
  $ENV{'form.creationdatestart_year'},   $ENV{'form.creationdatestart_year'},
  );   );
     $scrout.=<<CREATIONDATEEND;      $scrout.="and:\n";
 and:  
 CREATIONDATEEND  
     $scrout.=&dateboxes('creationdateend',12,31,2051,      $scrout.=&dateboxes('creationdateend',12,31,2051,
  $ENV{'form.creationdateend_month'},   $ENV{'form.creationdateend_month'},
  $ENV{'form.creationdateend_day'},   $ENV{'form.creationdateend_day'},
  $ENV{'form.creationdateend_year'},   $ENV{'form.creationdateend_year'},
  );   );
     $scrout.="</p>";      $scrout.="</p>";
   
     $scrout.=<<LASTREVISIONDATESTART;      $scrout.=<<LASTREVISIONDATESTART;
 <p>  <p>
 <font color="#800000" face="helvetica"><b>LIMIT BY LAST REVISION DATE RANGE:  <font color="#800000" face="helvetica"><b>LIMIT BY LAST REVISION DATE RANGE:
Line 385  LASTREVISIONDATEEND Line 455  LASTREVISIONDATEEND
  $ENV{'form.lastrevisiondateend_year'},   $ENV{'form.lastrevisiondateend_year'},
  );   );
     $scrout.='</p>';      $scrout.='</p>';
   
     $scrout.=&searchphrasefield('Limit by publisher/owner','owner',      $scrout.=&searchphrasefield('Limit by publisher/owner','owner',
  $ENV{'form.owner'});   $ENV{'form.owner'});
   
     $ENV{'form.copyright'}='any' unless length($ENV{'form.copyright'});      $ENV{'form.copyright'}='any' unless length($ENV{'form.copyright'});
     $scrout.=&selectbox('Limit by copyright/distribution','copyright',      $scrout.=&selectbox('Limit by copyright/distribution','copyright',
  $ENV{'form.copyright'},   $ENV{'form.copyright'},
Line 396  LASTREVISIONDATEEND Line 464  LASTREVISIONDATEEND
  \&{Apache::loncommon::copyrightdescription},   \&{Apache::loncommon::copyrightdescription},
  (&Apache::loncommon::copyrightids),   (&Apache::loncommon::copyrightids),
  );   );
   
 # ------------------------------------------- Compute customized metadata field  # ------------------------------------------- Compute customized metadata field
     $scrout.=<<CUSTOMMETADATA;      $scrout.=<<CUSTOMMETADATA;
 <p>  <p>
Line 407  For resource-specific metadata, enter in Line 474  For resource-specific metadata, enter in
 <b>Example:</b> grandmother=75 OR grandfather=85  <b>Example:</b> grandmother=75 OR grandfather=85
 <br />  <br />
 CUSTOMMETADATA  CUSTOMMETADATA
 $scrout.=&simpletextfield('custommetadata',$ENV{'form.custommetadata'});      $scrout.=&simpletextfield('custommetadata',$ENV{'form.custommetadata'});
 $scrout.=' <i>initial users of this system do not need to worry about this option</i>';  
   
     $scrout.=<<CUSTOMSHOW;      $scrout.=<<CUSTOMSHOW;
 <p>  <p>
 <font color="#800000" face="helvetica"><b>SHOW SPECIAL METADATA FIELDS:</b>  <font color="#800000" face="helvetica"><b>SHOW SPECIAL METADATA FIELDS:</b>
Line 418  Enter in a space-separated list of speci Line 483  Enter in a space-separated list of speci
 in a fielded listing for each record result.  in a fielded listing for each record result.
 <br />  <br />
 CUSTOMSHOW  CUSTOMSHOW
 $scrout.=&simpletextfield('customshow',$ENV{'form.customshow'});      $scrout.=&simpletextfield('customshow',$ENV{'form.customshow'});
 $scrout.=' <i>initial users of this system do not need to worry about this option</i>';      $scrout.=<<ENDDOCUMENT;
   
 # ---------------------------------------------------------------- Print screen  
     $r->print(<<ENDDOCUMENT);  
 <html>  
 <head>  
 <title>The LearningOnline Network with CAPA</title>  
 <script type="text/javascript">  
     function openhelp(val) {  
  openhelpwin=open('/adm/help/searchcat.html','helpscreen',  
      'scrollbars=1,width=600,height=300');  
  openhelpwin.focus();  
     }  
 </script>  
 </head>  
 <body bgcolor="#FFFFFF">  
 <img align='right' src='/adm/lonIcons/lonlogos.gif' />  
 <h1>Search Catalog</h1>  
 <form method="post" action="/adm/searchcat">  
 $hidden  
 <hr />  
 <h3>Basic Search</h3>  
 <p>  
 Enter terms or phrases separated by search operators  
 such as AND, OR, or NOT then press SEARCH below.  Terms should be specific  
 to the title, author, subject, notes, or abstract information associated  
 with a resource.  
 <br />  
 ENDDOCUMENT  
     $r->print(&simpletextfield('basicexp',$ENV{'form.basicexp'}));  
     $r->print(' ');  
     $r->print(&simplecheckbox('titleonly',$ENV{'form.titleonly'}));  
     $r->print('<font color="#800000">Title only</font> ');  
 #    $r->print(&simplecheckbox('allversions',$ENV{'form.allversions'}));  
 # <font color="#800000">Search historic archives</font>  
     $r->print(<<ENDDOCUMENT);  
 <br />  
 <input type="submit" name="basicsubmit" value='SEARCH' />  
 <input type="reset" name="reset" value='RESET' />  
 $closebutton  
 $basicviewselect  
 <input type="button" value="HELP" onClick="openhelp()" />  
 </p>  
 <hr />  
 <h3>Advanced Search</h3>  
 $scrout  
 <p>  <p>
 <input type="submit" name="advancedsubmit" value='SEARCH' />  <input type="submit" name="advancedsubmit" value='SEARCH' />
 <input type="reset" name="reset" value='RESET' />  <input type="reset" name="reset" value='RESET' />
 $closebutton  $closebutton
 $advancedviewselect  <!-- advance view select -->
   <select name='advancedviewselect'>
   <option value='Detailed Citation View' selected="true">
   Detailed Citation View</option>
   <option value='Summary View'>Summary View</option>
   <option value='Fielded Format'>Fielded Format</option>
   <option value='XML/SGML'>XML/SGML</option>
   </select>
   <!-- end of advanced view select -->
 <input type="button" value="HELP" onClick="openhelp()" />  <input type="button" value="HELP" onClick="openhelp()" />
 </p>  </p>
 </form>  </form>
 </body>  </body>
 </html>  </html>
 ENDDOCUMENT  ENDDOCUMENT
     return OK;      return $scrout;
 }   }
   
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
Line 488  ENDDOCUMENT Line 516  ENDDOCUMENT
   
 Returns a scalar which holds the current ENV{'form.*'} values in  Returns a scalar which holds the current ENV{'form.*'} values in
 a 'hidden' html input tag.    a 'hidden' html input tag.  
   
 =cut  =cut
   
 ######################################################################  ######################################################################
 ######################################################################  ######################################################################
   
 # ------------------------------------------------------------- make persistent  
   
 sub make_persistent {  sub make_persistent {
     my $persistent='';      my $persistent='';
           
Line 512  END Line 539  END
     return $persistent;      return $persistent;
 }  }
   
 # --------------------------------------------------------- Various form fields  
   ######################################################################
   ######################################################################
   
   =pod 
   
   =item HTML form building functions
   
   =over 4
   
   =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.
   
   =item &simplecheckbox()
   
   Inputs: $name,$value
   
   Returns a simple check box with the given $name.
   If $value eq 'on' the box is checked.
   
   =item &searchphrasefield()
   
   Inputs: $title,$name,$value
   
   Returns html for a title line and an input field for entering search terms.
   the instructions "Enter terms or phrases separated by search operators such 
   as AND, OR, or NOT." are given following the title.  The entry field (which
   is where the $name and $value are used) is an 80 column simpletextfield.
   
   =item &dateboxes()
   
   =item &selectbox()
   
   =back 
   
   =cut
   
   ######################################################################
   ######################################################################
   
 sub simpletextfield {  sub simpletextfield {
     my ($name,$value)=@_;      my ($name,$value,$size)=@_;
     return '<input type=text name=\''.$name.      $size = 20 if (! defined($size));
    '\' size=20 value=\''.$value.'\' />';      return '<input type="text" name="'.$name.
           '" size="'.$size.'" value="'.$value.'" />';
 }  }
   
 sub simplecheckbox {  sub simplecheckbox {
     my ($name,$value)=@_;      my ($name,$value)=@_;
     my $checked='';      my $checked='';
     $checked="CHECKED" if $value eq 'on';      $checked="CHECKED" if $value eq 'on';
     return '<input type=checkbox name=\''.$name.'\' '. $checked . '>';      return '<input type="checkbox" name="'.$name.'" '. $checked . ' />';
 }  }
   
 sub searchphrasefield {  sub searchphrasefield {
     my ($title,$name,$value)=@_;      my ($title,$name,$value)=@_;
     my $instruction=<<END;      my $instruction=<<END;
 Enter terms or phrases separated by search operators such  Enter terms or phrases separated by search operators such as AND, OR, or NOT.
 as AND, OR, or NOT.  
 END  END
     my $uctitle=uc($title);      my $uctitle=uc($title);
     return "\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:</b>".      return "\n".
    "</FONT> $instruction<br />".          '<p><font color="#800000" face="helvetica"><b>'.$uctitle.':</b>'.
            '<input type=text name="'.$name.'" size=80 value=\''.$value.'\'>';          "</FONT> $instruction<br />".&simpletextfield($name,$value,80);
 }  }
   
 sub dateboxes {  sub dateboxes {
Line 586  END Line 655  END
 sub selectbox {  sub selectbox {
     my ($title,$name,$value,$anyvalue,$anytag,$functionref,@idlist)=@_;      my ($title,$name,$value,$anyvalue,$anytag,$functionref,@idlist)=@_;
     my $uctitle=uc($title);      my $uctitle=uc($title);
     my $selout="\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:".      my $selout="\n".'<p><font color="#800000" face="helvetica">'.
  "</b></font><br />".'<select name="'.$name.'">';          '<b>'.$uctitle.':</b></font><br /><select name="'.$name.'">';
     foreach ($anyvalue,@idlist) {      foreach ($anyvalue,@idlist) {
         $selout.='<option value=\''.$_.'\'';          $selout.='<option value="'.$_.'"';
         if ($_ eq $value and !/^any$/) {          if ($_ eq $value and !/^any$/) {
     $selout.=' selected>'.&{$functionref}($_).'</option>';      $selout.=' selected >'.&{$functionref}($_).'</option>';
  }   }
  elsif ($_ eq $value and /^$anyvalue$/) {   elsif ($_ eq $value and /^$anyvalue$/) {
     $selout.=' selected>'.$anytag.'</option>';      $selout.=' selected >'.$anytag.'</option>';
  }   }
         else {$selout.='>'.&{$functionref}($_).'</option>';}          else {$selout.='>'.&{$functionref}($_).'</option>';}
     }      }
     return $selout.'</select>';      return $selout.'</select>';
 }  }
   
 # ----------------------------------------------- Performing an advanced search  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &advancedsearch() 
   
   =cut
   
   ######################################################################
   ######################################################################
 sub advancedsearch {  sub advancedsearch {
     my ($r,$envhash)=@_;      my ($r,$envhash,$hidden)=@_;
     my %ENV=%{$envhash};      my %ENV=%{$envhash};
   
     my $fillflag=0;      my $fillflag=0;
     # Clean up fields for safety      # Clean up fields for safety
     for my $field ('title','author','subject','keywords','url','version',      for my $field ('title','author','subject','keywords','url','version',
Line 637  sub advancedsearch { Line 715  sub advancedsearch {
  &output_blank_field_error($r);   &output_blank_field_error($r);
  return OK;   return OK;
     }      }
   
   
     # Turn the form input into a SQL-based query      # Turn the form input into a SQL-based query
     my $query='';      my $query='';
   
     my @queries;      my @queries;
     # 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 $field ('title','author','subject','notes','abstract','url',
Line 683  sub advancedsearch { Line 758  sub advancedsearch {
     elsif ($datequery) {      elsif ($datequery) {
  push @queries,$datequery;   push @queries,$datequery;
     }      }
   
     # Process form information for custom metadata querying      # Process form information for custom metadata querying
     my $customquery='';      my $customquery='';
     if ($ENV{'form.custommetadata'}) {      if ($ENV{'form.custommetadata'}) {
Line 711  sub advancedsearch { Line 785  sub advancedsearch {
     $reply=&Apache::lonnet::metadata_query($query,      $reply=&Apache::lonnet::metadata_query($query,
    $customquery,$customshow);     $customquery,$customshow);
  }   }
  &output_results('Advanced',$r,$envhash,$customquery,$reply);   &output_results('Advanced',$r,$envhash,$customquery,$reply,$hidden);
     }      }
     elsif ($customquery) {      elsif ($customquery) {
  my $reply; # reply hash reference   my $reply; # reply hash reference
  $reply=&Apache::lonnet::metadata_query('',   $reply=&Apache::lonnet::metadata_query('',
        $customquery,$customshow);         $customquery,$customshow);
  &output_results('Advanced',$r,$envhash,$customquery,$reply);   &output_results('Advanced',$r,$envhash,$customquery,$reply,$hidden);
     }      }
     # should not get to this point      # should not get to this point
     return 'Error.  Should not have gone to this point.';      return 'Error.  Should not have gone to this point.';
 }  }
   
 # --------------------------------------------------- Performing a basic search  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &basicsearch() 
   
   =cut
   
   ######################################################################
   ######################################################################
 sub basicsearch {  sub basicsearch {
     my ($r,$envhash)=@_;      my ($r,$envhash,$hidden)=@_;
     my %ENV=%{$envhash};      my %ENV=%{$envhash};
     # Clean up fields for safety      # Clean up fields for safety
     for my $field ('basicexp') {      for my $field ('basicexp') {
Line 747  sub basicsearch { Line 831  sub basicsearch {
     # Build SQL query string based on form page      # Build SQL query string based on form page
     my $query='';      my $query='';
     my $concatarg=join(',"    ",',      my $concatarg=join(',"    ",',
        ('title', 'author', 'subject', 'notes', 'abstract'));         ('title', 'author', 'subject', 'notes', 'abstract',
                           'keywords'));
     $concatarg='title' if $ENV{'form.titleonly'};      $concatarg='title' if $ENV{'form.titleonly'};
   
     $query=&build_SQL_query('concat('.$concatarg.')',$ENV{'form.'.'basicexp'});      $query=&build_SQL_query('concat('.$concatarg.')',$ENV{'form.'.'basicexp'});
Line 757  sub basicsearch { Line 842  sub basicsearch {
   
     # Output search results      # Output search results
   
     &output_results('Basic',$r,$envhash,$query,$reply);      &output_results('Basic',$r,$envhash,$query,$reply,$hidden);
   
     return OK;      return OK;
 }  }
   
 # ------------------------------------------------------------- build_SQL_query  
   ######################################################################
   ######################################################################
   
   =pod 
   
   =item &build_SQL_query() 
   
   =cut
   
   ######################################################################
   ######################################################################
 sub build_SQL_query {  sub build_SQL_query {
     my ($field_name,$logic_statement)=@_;      my ($field_name,$logic_statement)=@_;
     my $q=new Text::Query('abc',      my $q=new Text::Query('abc',
Line 774  sub build_SQL_query { Line 870  sub build_SQL_query {
     return $sql_query;      return $sql_query;
 }  }
   
 # ------------------------------------------------- build custom metadata query  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &build_custommetadata_query() 
   
   =cut
   
   ######################################################################
   ######################################################################
 sub build_custommetadata_query {  sub build_custommetadata_query {
     my ($field_name,$logic_statement)=@_;      my ($field_name,$logic_statement)=@_;
       &Apache::lonnet::logthis("Entered build_custommetadata_query:".
                                $field_name.':'.$logic_statement);
     my $q=new Text::Query('abc',      my $q=new Text::Query('abc',
   -parse => 'Text::Query::ParseAdvanced',    -parse => 'Text::Query::ParseAdvanced',
   -build => 'Text::Query::BuildAdvancedString');    -build => 'Text::Query::BuildAdvancedString');
Line 784  sub build_custommetadata_query { Line 892  sub build_custommetadata_query {
     my $matchexp=${$q}{'-parse'}{'-build'}{'matchstring'};      my $matchexp=${$q}{'-parse'}{'-build'}{'matchstring'};
     # quick fix to change literal into xml tag-matching      # quick fix to change literal into xml tag-matching
     # will eventually have to write a separate builder module      # will eventually have to write a separate builder module
     my $oldmatchexp=$matchexp;      # wordone=wordtwo becomes\<wordone\>[^\<] *wordtwo[^\<]*\<\/wordone\>
     $matchexp=~s/(\w+)\\=([\w\\\+]+)/\\<$1\\>\[\^\\<\]\*$2\[\^\\<\]\*\\<\\\/$1\\>/g;      $matchexp =~ s/(\w+)\\=([\w\\\+]+)?# wordone=wordtwo is changed to 
                    /\\<$1\\>?#           \<wordone\>
                      \[\^\\<\]?#        [^\<]         
                      \*$2\[\^\\<\]?#           *wordtwo[^\<]
                      \*\\<\\\/$1\\>?#                        *\<\/wordone\>
                      /g;
       &Apache::lonnet::logthis("match expression: ".$matchexp);
     return $matchexp;      return $matchexp;
 }  }
   
 # - Recursively parse a reverse notation expression into a SQL query expression  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &recursive_SQL_query_build() 
   
   =cut
   
   ######################################################################
   ######################################################################
 sub recursive_SQL_query_build {  sub recursive_SQL_query_build {
     my ($dkey,$pattern)=@_;      my ($dkey,$pattern)=@_;
     my @matches=($pattern=~/(\[[^\]|\[]*\])/g);      my @matches=($pattern=~/(\[[^\]|\[]*\])/g);
Line 823  sub recursive_SQL_query_build { Line 947  sub recursive_SQL_query_build {
     &recursive_SQL_query_build($dkey,$pattern);      &recursive_SQL_query_build($dkey,$pattern);
 }  }
   
 # ------------------------------------------------------------ Build date query  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &build_date_queries() 
   
   =cut
   
   ######################################################################
   ######################################################################
 sub build_date_queries {  sub build_date_queries {
     my ($cmonth1,$cday1,$cyear1,$cmonth2,$cday2,$cyear2,      my ($cmonth1,$cday1,$cyear1,$cmonth2,$cday2,$cyear2,
  $lmonth1,$lday1,$lyear1,$lmonth2,$lday2,$lyear2)=@_;   $lmonth1,$lday1,$lyear1,$lmonth2,$lday2,$lyear2)=@_;
Line 872  sub build_date_queries { Line 1006  sub build_date_queries {
     return '';      return '';
 }  }
   
 # ----------------------------- format and output results based on a reply list  ######################################################################
 # There are two windows that this function writes to.  The main search  ######################################################################
 # window ("srch") has a listing of the results.  A secondary window ("popwin")  
 # gives the status of the network search (time elapsed, number of machines  =pod 
 # contacted, etc.)  
   =item &output_results() 
   
   Format and output results based on a reply list.
   There are two windows that this function writes to.  The main search
   window ("srch") has a listing of the results.  A secondary window ("popwin")
   gives the status of the network search (time elapsed, number of machines
   contacted, etc.)
   
   =cut
   
   ######################################################################
   ######################################################################
 sub output_results {  sub output_results {
     my $fnum; # search result counter      my $fnum; # search result counter
     my ($mode,$r,$envhash,$query,$replyref)=@_;      my ($mode,$r,$envhash,$query,$replyref,$hidden)=@_;
     my %ENV=%{$envhash};      my %ENV=%{$envhash};
     my %rhash=%{$replyref};      my %rhash=%{$replyref};
     my $compiledresult='';      my $compiledresult='';
Line 1217  ENDPOP Line 1363  ENDPOP
  my ($title,$author,$subject,$url,$keywords,$version,   my ($title,$author,$subject,$url,$keywords,$version,
     $notes,$abstract,$mime,$lang,      $notes,$abstract,$mime,$lang,
     $creationdate,$lastrevisiondate,$owner,$copyright)=@fields;      $creationdate,$lastrevisiondate,$owner,$copyright)=@fields;
                   unless ($title =~ /^\s*$/ ) { $title='<i>Untitled</i>'; }
                 unless ($title) { $title='<i>Untitled</i>'; }  
  unless ($ENV{'user.adv'}) {   unless ($ENV{'user.adv'}) {
     $keywords='<i>- not displayed -</i>';      $keywords='<i>- not displayed -</i>';
     $fields[4]=$keywords;      $fields[4]=$keywords;
Line 1336  RESULTS Line 1481  RESULTS
 RESULTS  RESULTS
 }  }
   
 # ------------------------------------------------------ Detailed Citation View  ######################################################################
   ######################################################################
   
   =pod 
   
   =item Metadata Viewing Functions
   
   Output is a HTML-ified string.
   Input arguments are title, author, subject, url, keywords, version,
   notes, short abstract, mime, language, creation date,
   last revision date, owner, copyright, hostname, httphost, and
   extra custom metadata to show.
   
   =over 4
   
   =item &detailed_citation_view() 
   
   =cut
   
   ######################################################################
   ######################################################################
 sub detailed_citation_view {  sub detailed_citation_view {
     my ($title,$author,$subject,$url,$keywords,$version,      my ($title,$author,$subject,$url,$keywords,$version,
  $notes,$shortabstract,$mime,$lang,   $notes,$shortabstract,$mime,$lang,
Line 1375  END Line 1540  END
     return $result;      return $result;
 }  }
   
 # ---------------------------------------------------------------- Summary View  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &summary_view() 
   
   =cut
   
   ######################################################################
   ######################################################################
 sub summary_view {  sub summary_view {
     my ($title,$author,$subject,$url,$keywords,$version,      my ($title,$author,$subject,$url,$keywords,$version,
  $notes,$shortabstract,$mime,$lang,   $notes,$shortabstract,$mime,$lang,
Line 1393  END Line 1568  END
     return $result;      return $result;
 }  }
   
 # -------------------------------------------------------------- Fielded Format  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &fielded_format_view() 
   
   =cut
   
   ######################################################################
   ######################################################################
 sub fielded_format_view {  sub fielded_format_view {
     my ($title,$author,$subject,$url,$keywords,$version,      my ($title,$author,$subject,$url,$keywords,$version,
  $notes,$shortabstract,$mime,$lang,   $notes,$shortabstract,$mime,$lang,
Line 1424  END Line 1609  END
     return $result;      return $result;
 }  }
   
 # -------------------------------------------------------------------- XML/SGML  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &xml_sgml_view() 
   
   =back 
   
   =cut
   
   ######################################################################
   ######################################################################
 sub xml_sgml_view {  sub xml_sgml_view {
     my ($title,$author,$subject,$url,$keywords,$version,      my ($title,$author,$subject,$url,$keywords,$version,
  $notes,$shortabstract,$mime,$lang,   $notes,$shortabstract,$mime,$lang,
Line 1466  END Line 1663  END
     return $result;      return $result;
 }  }
   
 # ---------------------------------------------------- see if a field is filled  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &filled() see if field is filled.
   
   =cut
   
   ######################################################################
   ######################################################################
 sub filled {  sub filled {
     my ($field)=@_;      my ($field)=@_;
     if ($field=~/\S/ && $field ne 'any') {      if ($field=~/\S/ && $field ne 'any') {
Line 1477  sub filled { Line 1684  sub filled {
     }      }
 }  }
   
 # ---------------- Message to output when there are not enough fields filled in  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &output_blank_field_error()
   
   =cut
   
   ######################################################################
   ######################################################################
 sub output_blank_field_error {  sub output_blank_field_error {
     my ($r)=@_;      my ($r)=@_;
     # make query information persistent to allow for subsequent revision      # make query information persistent to allow for subsequent revision
Line 1511  processed. Line 1728  processed.
 RESULTS  RESULTS
 }  }
   
 # ----------------------------------------------------------- Output date error  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &output_date_error()
   
   Output a full html page with an error message.
   
   =cut
   
   ######################################################################
   ######################################################################
 sub output_date_error {  sub output_date_error {
     my ($r,$message)=@_;      my ($r,$message)=@_;
     # make query information persistent to allow for subsequent revision      # make query information persistent to allow for subsequent revision
     my $persistent=&make_persistent();      my $persistent=&make_persistent();
   
     $r->print(<<BEGINNING);      $r->print(<<RESULTS);
 <html>  <html>
 <head>  <head>
 <title>The LearningOnline Network with CAPA</title>  <title>The LearningOnline Network with CAPA</title>
 BEGINNING  
     $r->print(<<RESULTS);  
 </head>  </head>
 <body bgcolor="#ffffff">  <body bgcolor="#ffffff">
 <img align='right' src='/adm/lonIcons/lonlogos.gif' />  <img align='right' src='/adm/lonIcons/lonlogos.gif' />
Line 1542  $message Line 1769  $message
 RESULTS  RESULTS
 }  }
   
 # --------- settings whenever the user causes the search window to be launched  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &start_fresh_session()
   
   Cleans the global %hash by removing all fields which begin with
   'pre_' or 'store'.
   
   =cut
   
   ######################################################################
   ######################################################################
 sub start_fresh_session {  sub start_fresh_session {
     delete $hash{'mode_catalog'};      delete $hash{'mode_catalog'};
     foreach (keys %hash) {      foreach (keys %hash) {
Line 1555  sub start_fresh_session { Line 1795  sub start_fresh_session {
     }      }
 }  }
   
 # ----------------------------------------------- send javascript to popwin  ######################################################################
   ######################################################################
   
   =pod 
   
   =item &popwin_js() send javascript to popwin
   
   =cut
   
   ######################################################################
   ######################################################################
 sub popwin_js {  sub popwin_js {
     # Print javascript out to popwin, but make sure we dont generate      # Print javascript out to popwin, but make sure we dont generate
     # any javascript errors in doing so.      # any javascript errors in doing so.
Line 1570  END Line 1820  END
     $r->rflush();      $r->rflush();
 }  }
   
   ######################################################################
   ######################################################################
   
   =pod 
   
   =item &popwin_imgupdate()
   
   =cut
   
   ######################################################################
   ######################################################################
 sub popwin_imgupdate {  sub popwin_imgupdate {
     my ($r,$imgnum,$icon) = @_;      my ($r,$imgnum,$icon) = @_;
     &popwin_js($r,'popwin.document.img'.$imgnum.'.'.      &popwin_js($r,'popwin.document.img'.$imgnum.'.'.
Line 1774  more fields need to be filled in Line 2035  more fields need to be filled in
   
 =item *  =item *
   
 output_date_error(server reference, error message) : outputs  output_date_error(server reference, error message) : 
 an error message specific to bad date format.  
   
 =back  =back
   

Removed from v.1.121  
changed lines
  Added in v.1.124


FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>