%# BEGIN BPS TAGGED BLOCK {{{
%#
%# COPYRIGHT:
%#
%# This software is Copyright (c) 1996-2013 Best Practical Solutions, LLC
%#                                          <sales@bestpractical.com>
%#
%# (Except where explicitly superseded by other copyright notices)
%#
%#
%# LICENSE:
%#
%# This work is made available to you under the terms of Version 2 of
%# the GNU General Public License. A copy of that license should have
%# been provided with this software, but in any event can be snarfed
%# from www.gnu.org.
%#
%# This work is distributed in the hope that it will be useful, but
%# WITHOUT ANY WARRANTY; without even the implied warranty of
%# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
%# General Public License for more details.
%#
%# You should have received a copy of the GNU General Public License
%# along with this program; if not, write to the Free Software
%# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
%# 02110-1301 or visit their web page on the internet at
%# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
%#
%#
%# CONTRIBUTION SUBMISSION POLICY:
%#
%# (The following paragraph is not intended to limit the rights granted
%# to you to modify and distribute this software under the terms of
%# the GNU General Public License and is only of importance to you if
%# you choose to contribute your changes and enhancements to the
%# community by submitting them to Best Practical Solutions, LLC.)
%#
%# By intentionally submitting any modifications, corrections or
%# derivatives to this work, or any other work intended for use with
%# Request Tracker, to Best Practical Solutions, LLC, you confirm that
%# you are the copyright holder for those contributions and you grant
%# Best Practical Solutions,  LLC a nonexclusive, worldwide, irrevocable,
%# royalty-free, perpetual, license to use, copy, create derivative
%# works based on those contributions, and sublicense and distribute
%# those contributions and any derivatives thereof.
%#
%# END BPS TAGGED BLOCK }}}
%# Build up the set of cascading select boxes as "guides"
%# each one limits the options of the final one a bit
%# (perhaps by tweaking the .display style?)
% my $selected = 0;
% my @category;
% my $id = $NamePrefix . $CustomField->Id;
% my $out = $m->scomp('SELF:options', %ARGS, SelectedRef => \$selected, CategoryRef => \@category);
% if (!$HideCategory and @category and not $CustomField->BasedOnObj->id) {
  <script type="text/javascript" src="<%RT->Config->Get('WebPath')%>/NoAuth/js/cascaded.js"></script>
%# XXX - Hide this select from w3m?
  <select onchange="filter_cascade(<% "$id-Values" |n,j%>, this.value)" name="<% $id %>-Category" class="CF-<%$CustomField->id%>-Edit">
    <option value=""<% !$selected && qq[ selected="selected"] |n %>><&|/l&>-</&></option>
%   foreach my $cat (@category) {
%     my ($depth, $name) = @$cat;
      <option value="<% $name %>"><% '&nbsp;' x $depth |n %><% $name %></option>
%   }
    </select><br />
% } elsif ($CustomField->BasedOnObj->id) {
<script type="text/javascript" src="<%RT->Config->Get('WebPath')%>/NoAuth/js/cascaded.js"></script>
<script type="text/javascript"><!--
doOnLoad(  function () {
    var basedon = document.getElementById(<% $NamePrefix . $CustomField->BasedOnObj->id . "-Values" |n,j%>);
    if (basedon != null) {
        var oldchange = basedon.onchange;
        basedon.onchange = function () {
            filter_cascade(
                <% "$id-Values" |n,j%>,
                basedon.value,
                1
            );
            if (oldchange != null)
                oldchange();
        };
        basedon.onchange();
    }
});
--></script>
% }
% if (@category) {
%# this hidden select is to supply a full list of values,
%# see filter_cascade() in js/cascaded.js
      <select name="<%$id%>-Values-Complete" id="<%$id%>-Values-Complete" class="hidden" disabled="disabled">
        <option value=""<% !$selected && qq[ selected="selected"] |n %>><&|/l&>(no value)</&></option>
%       $m->out($out);
      </select>
% }
<select
  name="<%$id%>-Values" id="<%$id%>-Values" class="CF-<%$CustomField->id%>-Edit"
% if ( $Rows && ( $Multiple || !@category ) ) {
  size="<% $Rows %>"
% }
<% $Multiple && qq[multiple="multiple"] |n %> >
<option value=""<% !$selected && qq[ selected="selected"] |n %>><&|/l&>(no value)</&></option>
% $m->out($out);
</select>
<%ARGS>
$Object => undef
$CustomField => undef
$NamePrefix => undef
$Default => undef
$Values => undef
$Multiple => 0
$Rows => undef
$HideCategory => 0
</%ARGS>

<%METHOD options>
% @Default = grep defined && length, @Default;
% # $Values->HasEntry is too slow here
% if ( !@Default && $Values ) {
%     @Default = map $_->Content, @{$Values->ItemsArrayRef};
% }
% $_ = lc $_ foreach @Default;
% my $selected;
% my $CFVs = $CustomField->Values;
% my @levels;
% while ( my $value = $CFVs->Next ) {
%       my $name = $value->Name;
%       my $category = $value->Category || '';
%       my $level = (split /:/, $category, 2)[0] || '';
%       while (@levels) {
%           if ($levels[-1] eq $level) {
%               $level = '';
%               last;
%           } elsif (index($level, $levels[-1]) != 0) {
%               $m->out('</optgroup>');
%               pop @levels;
%           } else {
%               last;
%           }
%       }
%       if ( length $level ) {
%           push @$CategoryRef, [0+@levels, $level];
            <optgroup style="padding-left: <% @levels/2 %>em" label="<% $category %>">
%           push @levels, $level;
%       }
        <option value="<% $name %>"
%       if ( grep $_ eq lc $name, @Default )
%       {
%           $$SelectedRef = 1;
            selected="selected"
%       }
        ><% $name %></option>
% }
% for (@levels) {
            </optgroup>
% }
<%ARGS>
$CustomField => undef
@Default => ()
$Values => undef
$SelectedRef => undef
$CategoryRef => undef
</%ARGS>
</%METHOD>
