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[usit-rt.git] / share / html / Articles / Article / Elements / EditTopics

%# BEGIN BPS TAGGED BLOCK {{{
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%# END BPS TAGGED BLOCK }}}
<input type="hidden" name="EditTopics" value="1" />
<select multiple size="10" name="Topics">
% if (@Classes) {
%   unless ($OnlyThisClass) {
<optgroup label="Current classes (<% join(" ", map {$_->Name} @Classes) %>)">
%   }
%   $inTree->traverse(sub {
%     my $tree = shift;
%     my $topic = $tree->getNodeValue;
<option value="<% $topic->Id %>" <% exists $topics{$topic->Id} ? "selected" : "" %> >\
<% "&nbsp;" x ($tree->getDepth*5) |n %><% $topic->Name || loc("(no name)") %></option>
%   });
% }
% unless ($OnlyThisClass) {
%   my $class = $Classes[-1]->Id;
%   $otherTree->traverse(sub {
%     my $tree = shift;
%     my $topic = $tree->getNodeValue;
%     unless ($topic->ObjectId == $class) {
%       $class = $topic->ObjectId;
</optgroup>
%       my $c = RT::Class->new($session{'CurrentUser'});
%       $c->Load($topic->ObjectId);
<optgroup label="<% $c->Name %>">
%     }
<option value="<% $topic->Id %>" <% exists $topics{$topic->Id} ? "selected" : "" %> >\
<% "&nbsp;" x ($tree->getDepth*5) |n %><% $topic->Name || loc("(no name)") %></option>
%   });
</optgroup>
% }
</select>

<%INIT>
use Tree::Simple;

my $inClass = RT::Topics->new($session{'CurrentUser'});
# global topics should always be available
push @Classes,$RT::System unless grep { $_ == $RT::System } @Classes;
$inClass->LimitToObject($_) for @Classes;
$inClass->OrderByCols({FIELD => 'Name'});
my $inTree = buildTree($inClass);

my $otherClass = RT::Topics->new($session{'CurrentUser'});
if (@Classes) {
  $otherClass->Limit(FIELD => 'ObjectType', VALUE => 'RT::Class');
  for (@Classes) {
    $otherClass->Limit(FIELD => 'ObjectId', OPERATOR => '!=', VALUE => $_->Id);
  }
} else {
    $otherClass->UnLimit;
}
my $otherTree = buildTree($otherClass);

my $articleTopics = RT::ObjectTopics->new($session{'CurrentUser'});
$articleTopics->LimitToObject($ArticleObj);
my %topics;
while (my $topicObj = $articleTopics->Next) {
    $topics{$topicObj->Topic} = 1;
}
$topics{$_} = 1 for @Topics;

sub buildTree {
    my $query = shift;
    
    use Tree::Simple;
    my $tree = Tree::Simple->new(Tree::Simple->ROOT);
    my %lookup = (0 => $tree);

    my @todo;
    while (my $topic = $query->Next) {
        push @todo, $topic;
    }

    {
        my $changed = 0;
        my @work = @todo;
        @todo = ();
        for my $topic (@work) {
            if (defined $lookup{$topic->Parent}) {
                $lookup{$topic->Id} = Tree::Simple->new($topic, $lookup{$topic->Parent});
                $changed = 1;
            } else {
                push @todo, $topic;
            }
        }
        redo unless $changed == 0;
    }
    return $tree;
}

</%INIT>
<%ARGS>
$ArticleObj => RT::Article->new($session{'CurrentUser'})
@Classes => ()
@Topics => ()
$OnlyThisClass => undef
</%ARGS>