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<%doc>

Example:

  include( '/elements/select-part_pkg.html',

    #strongly recommended (you want your forms to be "sticky" on errors, right?)
    'curr_value' => 'current_value',
  
    #opt
    'part_pkg'   => \@records,
    'showdisabled' => 1, #defaults to 0, shows disabled if true
    'toggle_disabled' => 1, #implies showdisabled, adds js to toggle display of disabled

    #select-table.html options
  )

</%doc>

<& /elements/select-table.html,
     'table'          => 'part_pkg',
     'agent_virt'     => 1,
     'agent_null'     => 1,
     'name_col'       => 'pkg',
     'empty_label'    => 'Select package', #should this be the default?
     'label_callback' => $opt{'label_callback'} || sub { shift->pkg_comment_only },
     'hashref'        => \%hash,
     $opt{'toggle_disabled'} ? (
       'extra_option_attributes' => [ 'disabled' ],
       'hidden_sub' => sub { my $rec = shift; $rec->disabled; },
     ) : (),
     %opt,
&>

% if ($opt{'toggle_disabled'}) {
%   unless ($toggle_disabled_init) {
%     $toggle_disabled_init = 1;

<SCRIPT>
function toggle_disabled (id, disabled_on) {
  var selectbox = document.getElementById(id);
  for (var i = 0; i < selectbox.length; i++) {
    var optionbox = selectbox.options[i];
    if (optionbox.getAttribute('data-disabled')) {
      optionbox.hidden = (disabled_on || optionbox.selected) ? false : true;
    }
  }
  var switchlink = document.getElementById(id+'_switch');
  switchlink.innerHTML = disabled_on ? '<% emt("hide disabled packages") %>' : '<% emt("show disabled packages") %>';
  switchlink.onclick = function () { toggle_disabled(id, disabled_on ? 0 : 1) };
}
</SCRIPT>

%   } # unless $toggle_disabled_init

<BR><A 
  HREF="javascript:void(0)"
  STYLE="font-size: smaller"
  ONCLICK="toggle_disabled('<% $opt{'id'} %>',1)"
  ID="<% $opt{'id'} %>_switch"><% emt("show disabled packages") %></A>

% } # if $opt{'toggle_disabled'}

<%shared>
my $toggle_disabled_init = 0;
</%shared>
<%init>
 
my( %opt ) = @_;

$opt{'records'} = delete $opt{'part_pkg'}
  if $opt{'part_pkg'};

$opt{'showdisabled'} = 1 if $opt{'toggle_disabled'};

my %hash = ();
$hash{'disabled'} = '' unless $opt{'showdisabled'};

if ( exists($opt{'classnum'}) && defined($opt{'classnum'}) ) {
  if ( $opt{'classnum'} > 0 ) {
    $hash{'classnum'} = $opt{'classnum'};
  } elsif ( $opt{'classnum'} eq '' || $opt{'classnum'} == 0 ) {
    $hash{'classnum'} = '';
  } #else -1 or not specified, all classes, so don't set classnum
}

$opt{'extra_sql'} .= ( keys(%hash) ? ' AND ' : ' WHERE ' ).
                     FS::part_pkg->curuser_pkgs_sql;

</%init>