--- loncom/interface/lonsearchcat.pm 2003/06/16 19:18:00 1.178 +++ loncom/interface/lonsearchcat.pm 2004/04/14 18:29:32 1.206 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Search Catalog # -# $Id: lonsearchcat.pm,v 1.178 2003/06/16 19:18:00 matthew Exp $ +# $Id: lonsearchcat.pm,v 1.206 2004/04/14 18:29:32 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -48,7 +48,7 @@ described at http://www.lon-capa.org. lonsearchcat presents the user with an interface to search the LON-CAPA digital library. lonsearchcat also initiates the execution of a search by sending the search parameters to LON-CAPA servers. The progress of -search (on a server basis) is displayed to the user in a seperate window. +search (on a server basis) is displayed to the user in a separate window. =head1 Internals @@ -59,20 +59,8 @@ 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; -# ------------------------------------------------- modules used by this module use strict; use Apache::Constants qw(:common :http); use Apache::lonnet(); @@ -82,102 +70,49 @@ use Text::Query; use GDBM_File; use Apache::loncommon(); use Apache::lonmysql(); - -# ---------------------------------------- variables used throughout the module +use Apache::lonmeta; +use Apache::lonhtmlcommon; +use Apache::lonlocal; +use LONCAPA::lonmetadata(); ###################################################################### ###################################################################### - -=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 tag. - -=back - -=cut - +## +## Global variables +## ###################################################################### ###################################################################### +my %groupsearch_db; # Database hash used to save values for the + # groupsearch RAT interface. +my %persistent_db; # gdbm hash which holds data which is supposed to + # persist across calls to lonsearchcat.pm -# -- dynamically rendered interface components -my $importbutton; # button to take the selected results and go to group sorting +# The different view modes and associated functions -# -- miscellaneous variables -my %groupsearch_db; # database hash -my $diropendb = ""; # db file -# View Description Function Pointer -my %Views = ("Detailed Citation View" => \&detailed_citation_view, - "Summary View" => \&summary_view, - "Fielded Format" => \&fielded_format_view, - "XML/SGML" => \&xml_sgml_view, - "Compact View" => \&compact_view); -my %persistent_db; -my $hidden_fields; -my $bodytag; - -# -# For course search -# -my %alreadyseen; -my $hashtied; -my %hash; -my $totalfound; - -###################################################################### -###################################################################### - -=pod - -=item &handler() - main handler invoked by httpd child - -=item Variables - -=over 4 - -=item $hidden - -holds 'hidden' html forms - -=item $scrout - -string that holds portions of the screen output - -=back - -=cut +my %Views = ("detailed" => \&detailed_citation_view, + "summary" => \&summary_view, + "fielded" => \&fielded_format_view, + "xml" => \&xml_sgml_view, + "compact" => \&compact_view); ###################################################################### ###################################################################### sub handler { 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 tag. my $loaderror=&Apache::lonnet::overloaderror($r); if ($loaderror) { return $loaderror; } @@ -186,7 +121,7 @@ sub handler { # This button is different for the RAT compared to # normal invocation. # - $r->content_type('text/html'); + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; ## @@ -199,7 +134,7 @@ sub handler { &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['catalogmode','launch','acts','mode','form','element','pause', 'phase','persistent_db_id','table','start','show', - 'cleargroupsort']); + 'cleargroupsort','titleelement']); ## ## The following is a trick - we wait a few seconds if asked to so ## the daemon running the search can get ahead of the daemon @@ -207,7 +142,7 @@ sub handler { ## this once, so the pause indicator is deleted ## if (exists($ENV{'form.pause'})) { - sleep(3); + sleep(1); delete($ENV{'form.pause'}); } ## @@ -281,6 +216,10 @@ END $hidden_fields .= ''."\n"; } + if (exists($ENV{'form.titleelement'})) { + $hidden_fields .= ''."\n"; + } if (exists($ENV{'form.mode'})) { $hidden_fields .= ''."\n"; @@ -329,11 +268,11 @@ END ## Switch on the phase ## if ($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') { - &print_advanced_search_form($r,$closebutton); + &print_advanced_search_form($r,$closebutton,$hidden_fields); } elsif ($ENV{'form.phase'} eq 'results') { - &display_results($r,$importbutton,$closebutton); + &display_results($r,$importbutton,$closebutton,$diropendb); } elsif ($ENV{'form.phase'} =~ /^(sort|run_search)$/) { my ($query,$customquery,$customshow,$libraries,$pretty_string) = &get_persistent_data($persistent_db_file, @@ -355,11 +294,13 @@ END } # Set up table if (! defined(&create_results_table())) { + my $errorstring=&Apache::lonmysql::get_error(); $r->print(<Search Error $bodytag Unable to create table in which to store search results. The search has been aborted. +
$errorstring END @@ -382,10 +323,11 @@ END (undef,undef,undef,undef); my $pretty_string; if ($ENV{'form.phase'} eq 'basic_search') { - ($query,$pretty_string) = &parse_basic_search($r,$closebutton); + ($query,$pretty_string,$libraries) = + &parse_basic_search($r,$closebutton,$hidden_fields); } else { # Advanced search ($query,$customquery,$customshow,$libraries,$pretty_string) - = &parse_advanced_search($r,$closebutton); + = &parse_advanced_search($r,$closebutton,$hidden_fields); return OK if (! defined($query)); } &make_persistent({ query => $query, @@ -404,64 +346,61 @@ END ###################################################################### ###################################################################### +## +## Course Search +## +###################################################################### +###################################################################### +{ # Scope the course search to avoid global variables +# +# Variables For course search +my %alreadyseen; +my %hash; +my $totalfound; sub course_search { my $r=shift; - my $bodytag=&Apache::loncommon::bodytag('Course Search'); + my $bodytag=&Apache::loncommon::bodytag('Course Search'). + &Apache::loncommon::help_open_bug('Searching'); my $pretty_search_string = ''.$ENV{'form.courseexp'}.''; my $search_string = $ENV{'form.courseexp'}; my @New_Words; if ($ENV{'form.crsrelated'}) { ($search_string,@New_Words) = &related_version($ENV{'form.courseexp'}); if (@New_Words) { - $pretty_search_string .= " with related words: @New_Words."; + $pretty_search_string .= ' '.&mt("with related words").": @New_Words."; } else { - $pretty_search_string .= " with no related words."; + $pretty_search_string .= ' '.&mt('with no related words')."."; } } my $fulltext=$ENV{'form.crsfulltext'}; my @allwords=($search_string,@New_Words); $totalfound=0; $r->print('LON-CAPA Course Search'. - $bodytag.$pretty_search_string); + $bodytag.'
'.$pretty_search_string.'
'); $r->rflush(); # ======================================================= Go through the course - $hashtied=0; - undef %alreadyseen; - %alreadyseen=(); + undef %alreadyseen; + %alreadyseen=(); my $c=$r->connection; - &tiehash(); - foreach (keys %hash) { - if ($c->aborted()) { last; } - if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) { - &checkonthis($r,$hash{$_},0,$hash{'title_'.$1},$fulltext,@allwords); - } - } - &untiehash(); + if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db", + &GDBM_READER(),0640)) { + foreach (keys %hash) { + if ($c->aborted()) { last; } + if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) { + &checkonthis($r,$hash{$_},0,$hash{'title_'.$1},$fulltext, + @allwords); + } + } + untie(%hash); + } unless ($totalfound) { - $r->print('

No resources found.

'); + $r->print('

'.&mt('No resources found').'.

'); } # =================================================== Done going through course $r->print(''); } -# ---------------------------------------------------------------- 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; } - $hashtied=0; -} - # =============================== This pulls up a resource and its dependencies sub checkonthis { @@ -507,6 +446,14 @@ sub checkonthis { } } +sub untiehash { + if (tied(%hash)) { + untie(%hash); + } +} + +} # End of course search scoping + ###################################################################### ###################################################################### @@ -514,16 +461,17 @@ sub checkonthis { =item &print_basic_search_form() -Returns a scalar which holds html for the basic search form. +Prints the form for the basic search. Sorry the name is so cryptic. =cut ###################################################################### ###################################################################### - -sub print_basic_search_form{ - my ($r,$closebutton) = @_; - my $bodytag=&Apache::loncommon::bodytag('Search'); +sub print_basic_search_form { + my ($r,$closebutton,$hidden_fields) = @_; + my $bodytag=&Apache::loncommon::bodytag('Search'). + &Apache::loncommon::help_open_topic('Finding_Resources'). + &Apache::loncommon::help_open_bug('Searching'); my $scrout=<<"ENDDOCUMENT"; @@ -539,73 +487,90 @@ sub print_basic_search_form{ $bodytag ENDDOCUMENT if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) { + my $CatalogSearch=&mt('Catalog Search'); + my $Statement=&searchhelp(); $scrout.=(<Catalog Search -
+

$CatalogSearch

+ $hidden_fields

-Enter terms or phrases separated by AND, OR, or NOT -then press SEARCH below. +$Statement.

- +href="/adm/searchcat?phase=disp_adv&catalogmode=$ENV{'form.catalogmode'}&launch=$ENV{'form.launch'}&mode=$ENV{'form.mode'}" +>$header + +
ENDDOCUMENT - $scrout.=' '.&simpletextfield('basicexp',$ENV{'form.basicexp'},40). + $scrout.=' '.&Apache::lonhtmlcommon::textbox('basicexp', + $ENV{'form.basicexp'},40). ' '; - my $checkbox = &simplecheckbox('related',$ENV{'form.related'}); + my $relatedcheckbox = &Apache::lonhtmlcommon::checkbox('related', + $ENV{'form.related'}); + my $domain = $r->dir_config('lonDefDomain'); + my $domaincheckbox = &Apache::lonhtmlcommon::checkbox('domains', + $ENV{'form.domains'}); + my $srch=&mt('Search'); + my $header=&mt('Advanced Search'); + my $userelatedwords=&mt('use related words'); + my $onlysearchdomain=&mt('only search domain'); + my $view=&viewoptions(); $scrout.=<Advanced Search
$checkbox use related words
$relatedcheckbox $userelatedwords$domaincheckbox $onlysearchdomain $domain

+$view

-   +   $closebutton END - $scrout.=&selectbox(undef,'viewselect', - $ENV{'form.viewselect'}, - undef,undef,undef, - sort(keys(%Views))); - $scrout.=&selectbox(undef,'show', - $ENV{'form.show'}, - undef,undef,undef, - (10,20,50,100)); $scrout.=< ENDDOCUMENT - if ($ENV{'request.course.id'}) { $scrout.='

'; } -} -if ($ENV{'request.course.id'}) { - $scrout.=(<Course Search -
+ } + if ($ENV{'request.course.id'}) { + my %lt=&Apache::lonlocal::texthash( + 'srch' => 'Search', + 'header' => 'Course Search', + 'note' => 'Enter terms or phrases, then press "Search" below', + 'use' => 'use related words', + 'full' =>'fulltext search (time consuming)' + ); + $scrout.=(< +

$lt{'header'}

+ $hidden_fields

-Enter terms or phrases, then press SEARCH below. +$lt{'note'}.

- - + +
ENDCOURSESEARCH - $scrout.=' '.&simpletextfield('courseexp',$ENV{'form.courseexp'},40); - my $crscheckbox = &simplecheckbox('crsfulltext',$ENV{'form.crsfulltext'}); - my $relcheckbox = &simplecheckbox('crsrelated',$ENV{'form.crsrelated'}); -$scrout.=(<
$relcheckbox use related words
$crscheckbox fulltext search (time consuming)
$relcheckbox $lt{'use'}
$crscheckbox $lt{'full'}

-  + 

ENDENDCOURSE -} + } $scrout.=(< @@ -620,27 +585,27 @@ ENDDOCUMENT =item &advanced_search_form() -Returns a scalar which holds html for the advanced search form. +Prints the advanced search form. =cut ###################################################################### ###################################################################### - sub print_advanced_search_form{ - my ($r,$closebutton) = @_; + my ($r,$closebutton,$hidden_fields) = @_; + my %lt=&Apache::lonlocal::texthash('srch' => 'Search', + 'reset' => 'Reset', + 'help' => 'Help'); my $advanced_buttons = <<"END";

- - + + $closebutton - +

END - if (!defined($ENV{'form.viewselect'})) { - $ENV{'form.viewselect'} ="Detailed Citation View"; - } my $bodytag=&Apache::loncommon::bodytag('Advanced Catalog Search'); + my $searchhelp=&searchhelp(); my $scrout=<<"ENDHEADER"; @@ -654,154 +619,50 @@ END $bodytag -Enter terms or phrases separated by search operators -such as AND, OR, or NOT.
- +$searchhelp + $advanced_buttons $hidden_fields - - -\n"; - $scrout.=&searchphrasefield_with_related('title', 'title' , - $ENV{'form.title'}); - $scrout.=&searchphrasefield('author', 'author' ,$ENV{'form.author'}); - $scrout.=&searchphrasefield_with_related('subject', 'subject' , - $ENV{'form.subject'}); - $scrout.=&searchphrasefield_with_related('keywords','keywords', - $ENV{'form.keywords'}); - $scrout.=&searchphrasefield('URL', 'url' ,$ENV{'form.url'}); - $scrout.=&searchphrasefield_with_related('notes', 'notes' , - $ENV{'form.notes'}); - $scrout.=&searchphrasefield_with_related('abstract','abstract', - $ENV{'form.abstract'}); - # Hack - an empty table row. - $scrout.="\n"; - $scrout.=&searchphrasefield('file
extension','extension', - $ENV{'form.extension'}); - $scrout.="\n"; - $scrout.=&searchphrasefield('publisher
owner','owner', - $ENV{'form.owner'}); - $scrout.="
VIEW: ENDHEADER - $scrout.=&selectbox(undef,'viewselect', - $ENV{'form.viewselect'}, - undef,undef,undef, - sort(keys(%Views))); - $scrout.=' '; - $scrout.=&selectbox(undef,'show', - $ENV{'form.show'}, - undef,undef,undef, - (10,20,50,100)); - $scrout.=' '. - 'Per Page'; - $scrout.="Related
Words
   
   
\n"; - $ENV{'form.category'}='any' if (! defined($ENV{'form.category'})); - $scrout.=&selectbox('File Category','category', - $ENV{'form.category'}, - 'any','Any category', - undef, - (&Apache::loncommon::filecategories())); - $ENV{'form.language'}='any' unless length($ENV{'form.language'}); - #---------------------------------------------------------------- - # Allow restriction to multiple domains. - # 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'}} - : ($ENV{'form.domains'}) ); - my %domain_hash = (); - foreach (@allowed_domains) { - $domain_hash{$_}++; + $scrout.=&viewoptions(); + my %fields=&Apache::lonmeta::fieldnames(); + + $scrout.=''; + $scrout.="\n"; + foreach ('title','author','owner','authorspace','modifyinguser', + 'keywords','notes','abstract','standards', + 'lowestgradelevel','highestgradelevel','mime') { + $scrout.=''; + } + $scrout.=''; + $scrout.=''; + my %dates=&Apache::lonlocal::texthash + ('creationdatestart' => 'Creation Date After', + 'creationdateend' => 'Creation Date Before', + 'lastrevisiondatestart' => 'Last Revision Date After', + 'lastrevisiondateend' => 'Last Revision Date Before'); + foreach (sort keys %dates) { + $scrout.=''. + ''. + ''; } - my @domains =&Apache::loncommon::get_domains(); - # adjust the size of the select box - my $size = 4; - $size = (scalar @domains < ($size - 1) ? scalar @domains + 1 : $size); - $scrout.="\n".''. - 'DOMAINS TO BE SEARCHED
'. - '\n"; - #---------------------------------------------------------------- - $scrout.=&selectbox('Limit by language','language', - $ENV{'form.language'},'any','Any Language', - \&Apache::loncommon::languagedescription, - (&Apache::loncommon::languageids), - ); -# ------------------------------------------------ Compute date selection boxes - $scrout.=< -LIMIT BY CREATION DATE RANGE: - -
-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.="

"; - $scrout.=< -LIMIT BY LAST REVISION DATE RANGE: - -
between: -LASTREVISIONDATESTART - $scrout.=&dateboxes('lastrevisiondatestart',1,1,1976, - $ENV{'form.lastrevisiondatestart_month'}, - $ENV{'form.lastrevisiondatestart_day'}, - $ENV{'form.lastrevisiondatestart_year'}, - ); - $scrout.=< -#LIMIT BY SPECIAL METADATA FIELDS: -# -#For resource-specific metadata, enter in an expression in the form of -#key=value separated by operators such as AND, OR or NOT.
-#Example: grandmother=75 OR grandfather=85 -#
-#CUSTOMMETADATA -# $scrout.=&simpletextfield('custommetadata',$ENV{'form.custommetadata'}); -# $scrout.=< -#SHOW SPECIAL METADATA FIELDS: -# -#Enter in a space-separated list of special metadata fields to show -#in a fielded listing for each record result. -#
-#CUSTOMSHOW -# $scrout.=&simpletextfield('customshow',$ENV{'form.customshow'}); + + $scrout.="
".&mt('Field').''.&mt('Value').'' + .&mt('Related').'
'.&mt('Words')."
'.&titlefield($fields{$_}).''. + &Apache::lonmeta::prettyinput($_,$ENV{'form.'.$_},$_,'advsearch', + 1,'',$ENV{'form.'.$_.'_related'}). + '
'. + &titlefield(&mt('MIME Type Category')).''. + &Apache::loncommon::filecategoryselect('category', + $ENV{'form.category'}). + ' 
'. + &titlefield(&mt('Limit Search to Domains')).''. + &Apache::loncommon::domain_select('domains', + $ENV{'form.domains'},1). + ' 
'.&titlefield($dates{$_}).''. + &Apache::lonhtmlcommon::date_setter('advsearch',$_,0,'',1). + ' 
\n"; $scrout.=< @@ -817,7 +678,105 @@ ENDDOCUMENT =pod -=item &get_persistent_form_data +=item &titlefield() + +Inputs: title text + +Outputs: titletext with font wrapper + +=cut + +###################################################################### +###################################################################### +sub titlefield { + my $title=shift; + return ''.$title.''; +} + +###################################################################### +###################################################################### + +=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 $scrout="\n\n".''. + '
'.&mt('View Options').''. + &mt('Records per Page').'
'; + unless ($ENV{'form.viewselect'}) { $ENV{'form.viewselect'}='detailed'; } + $scrout.=&Apache::lonmeta::selectbox('viewselect', + $ENV{'form.viewselect'}, + \&viewoptiontext, + sort(keys(%Views))); + $scrout.=''; + $scrout.=&Apache::lonmeta::selectbox('show', + $ENV{'form.show'}, + undef, + (10,20,50,100,1000,10000)); + $scrout.="
\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'); +} + +###################################################################### +###################################################################### + +=pod + +=item &get_persistent_form_data() Inputs: filename of database @@ -845,6 +804,13 @@ sub get_persistent_form_data { # Loop through the keys, looking for 'form.' foreach my $name (keys(%persistent_db)) { next if ($name !~ /^form./); + # Kludgification begins! + if ($name eq 'form.domains' && + $ENV{'form.searchmode'} eq 'basic' && + $ENV{'form.phase'} ne 'disp_basic') { + next; + } + # End kludge (hopefully) next if (exists($ENV{$name})); my @values = map { &Apache::lonnet::unescape($_); @@ -859,12 +825,13 @@ sub get_persistent_form_data { untie (%persistent_db); return 1; } + ###################################################################### ###################################################################### =pod -=item &get_persistent_data +=item &get_persistent_data() Inputs: filename of database, ref to array of values to recover. @@ -915,7 +882,7 @@ Inputs: Hash of values to save, filename Store variables away to the %persistent_db. Values will be escaped. Values that are array pointers will have their -elements escaped and concatenated in a comma seperated string. +elements escaped and concatenated in a comma separated string. =cut @@ -947,7 +914,7 @@ Inputs: filename of persistent database. Store most form variables away to the %persistent_db. Values will be escaped. Values that are array pointers will have their -elements escaped and concatenated in a comma seperated string. +elements escaped and concatenated in a comma separated string. =cut @@ -965,287 +932,6 @@ 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 ''; -} - -############################################### -############################################### - -=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)=@_; - my $checked=''; - $checked="checked" if $value eq 'on'; - return ''; -} - -############################################### -############################################### - -=pod - -=item &fieldtitle() - -Input: $title - -Returns a scalar with html which will display $title as a search -field heading. - -=cut - -############################################### -############################################### - -sub fieldtitle { - my $title = uc(shift()); - return ''.$title. - ': '; -} - -############################################### -############################################### - -=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 ''.&fieldtitle($title).''. - &simpletextfield($name,$value,50)." \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,$value)=@_; - return ''.&fieldtitle($title).''. - &simpletextfield($name,$value,50).' '. - &simplecheckbox($name.'_related',$ENV{'form.'.$name.'_related'}). - " \n"; -} - -############################################### -############################################### - -=pod - -=item &dateboxes() - -Returns html selection form elements for the specification of -the day, month, and year. - -=cut - -############################################### -############################################### - -sub dateboxes { - my ($name,$defaultmonth,$defaultday,$defaultyear, - $currentmonth,$currentday,$currentyear)=@_; - ($defaultmonth,$defaultday,$defaultyear)=('','',''); - # - # Day - my $day=< - -END - for (my $i = 1; $i<=31; $i++) { - $day.="\n"; - } - $day.="\n"; - $day=~s/(\"$currentday\")/$1 SELECTED/ if length($currentday); - # - # Month - my $month=< - -END - my $i = 1; - foreach (qw/January February March April May June - July August September October November December /){ - $month .="\n"; - $i++; - } - $month.="\n"; - $month=~s/(\"$currentmonth\")/$1 SELECTED/ if length($currentmonth); - # - # Year (obviously) - my $year=< - -END - my $maxyear = 2051; - for (my $i = 1976; $i<=$maxyear; $i++) { - $year.="\n"; - } - $year.="\n"; - $year=~s/(\"$currentyear\")/$1 SELECTED/ if length($currentyear); - return "$month$day$year"; -} - -############################################### -############################################### - -=pod - -=item &selectbox() - -Returns a scalar containing an html tag. - -=item $default - -The default value of the form. Can be $anyvalue, or in @idlist. - -=item $anyvalue - -The