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%# BEGIN BPS TAGGED BLOCK {{{
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%# 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.
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%# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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<& NewListActions, actions => $actions &>
<&|/Widgets/TitleBox, title => join(': ', grep defined, loc("Current search"), $Description) &>

<select size="10" name="clauses" style="width: 100%" multiple="multiple">
% $m->out($optionlist);
</select>

<p align="center">
<input type="submit" class="button" name="Up" value=" &uarr; " />
<input type="submit" class="button" name="Down" value=" &darr; " />
<input type="submit" class="button" name="Left" value=" &larr; " />
<input type="submit" class="button" name="Right" value=" &rarr; " />
<input type="submit" class="button" name="Toggle" value="<&|/l&>And/Or</&>" />
<input type="submit" class="button" name="DeleteClause" value="<&|/l&>Delete</&>" />
%#<input type="submit" class="button" name="EditQuery" value="Advanced" />
</p>

</&>
<%ARGS>
$Description => undef
$optionlist => ''
$actions => []
</%ARGS>

<%METHOD Process>
<%ARGS>
$Tree
$Selected
@New       => ()
</%ARGS>
<%INIT>

my @NewSelection = ();

my @results;
if ( $ARGS{'Up'} || $ARGS{'Down'} ) {
    if (@$Selected) {
        foreach my $value (@$Selected) {
            my $parent = $value->getParent;
            my $index = $value->getIndex;
            my $newindex = $index;
            $newindex++ if $ARGS{'Down'};
            $newindex-- if $ARGS{'Up'};
            if ( $newindex < 0 || $newindex >= $parent->getChildCount ) {
                push( @results, [ loc("error: can't move up"), -1 ] ) if $ARGS{'Up'};
                push( @results, [ loc("error: can't move down"), -1 ] ) if $ARGS{'Down'};
                next;
            }

            $parent->removeChild( $index );
            $parent->insertChild( $newindex, $value );
        }
    }
    else {
        push( @results, [ loc("error: nothing to move"), -1 ] );
    }
}
elsif ( $ARGS{"Left"} ) {
    if (@$Selected) {
        foreach my $value (@$Selected) {
            my $parent = $value->getParent;
            if( $value->isRoot || $parent->isRoot ) {
                push( @results, [ loc("error: can't move left"), -1 ] );
                next;
            }

            my $grandparent = $parent->getParent;
            if( $grandparent->isRoot ) {
                push( @results, [ loc("error: can't move left"), -1 ] );
                next;
            }
            
            my $index = $parent->getIndex;
            $parent->removeChild($value);
            $grandparent->insertChild( $index, $value );
            if ( $parent->isLeaf ) {
                $grandparent->removeChild($parent);
            }
        }
    }
    else {
        push( @results, [ loc("error: nothing to move"), -1 ] );
    }
}
elsif ( $ARGS{"Right"} ) {
    if (@$Selected) {
        foreach my $value (@$Selected) {
            my $parent = $value->getParent;
            my $index  = $value->getIndex;

            my $newparent;
            if ( $index > 0 ) {
                my $sibling = $parent->getChild( $index - 1 );
                $newparent = $sibling unless $sibling->isLeaf;
            }
            $newparent ||= RT::Interface::Web::QueryBuilder::Tree->new( $ARGS{'AndOr'} || 'AND', $parent );

            $parent->removeChild($value);
            $newparent->addChild($value);
        }
    }
    else {
        push( @results, [ loc("error: nothing to move"), -1 ] );
    }
}
elsif ( $ARGS{"DeleteClause"} ) {
    if (@$Selected) {
        my (@top);
        my %Selected = map { $_ => 1 } @$Selected;
        foreach my $node ( @$Selected ) {
            my $tmp = $node->getParent;
            while ( !$Selected{ $tmp } && !$tmp->isRoot ) {
                $tmp = $tmp->getParent;
            }
            next if $Selected{ $tmp };
            push @top, $node;
        }

        my %seen;
        my @non_siblings_top = grep !$seen{ $_->getParent }++, @top;

        foreach ( @New ) {
            my $add = $_->clone;
            foreach my $selected( @non_siblings_top ) {
                my $newindex = $selected->getIndex + 1;
                $selected->insertSibling( $newindex, $add );
            }
            $add->getParent->setNodeValue( $ARGS{'AndOr'} );
            push @NewSelection, $add;
        }
        @New = ();
    
        while( my $node = shift @top ) {
            my $parent = $node->getParent;
            $parent->removeChild($node);
            $node->DESTROY;
        }
        @$Selected = ();
    }
    else {
        push( @results, [ loc("error: nothing to delete"), -1 ] );
    }
}
elsif ( $ARGS{"Toggle"} ) {
    if (@$Selected) {
        my %seen;
        my @unique_nodes = grep !$seen{ $_ + 0 }++,
            map ref $_->getNodeValue? $_->getParent: $_,
            @$Selected;

        foreach my $node ( @unique_nodes ) {
            if ( $node->getNodeValue eq 'AND' ) {
                $node->setNodeValue('OR');
            }
            else {
                $node->setNodeValue('AND');
            }
        }
    }
    else {
        push( @results, [ loc("error: nothing to toggle"), -1 ] );
    }
}

if ( @New && @$Selected ) {
    my %seen;
    my @non_siblings_selected = grep !$seen{ $_->getParent }++, @$Selected;

    foreach ( @New ) {
        my $add = $_->clone;
        foreach my $selected( @non_siblings_selected ) {
            my $newindex = $selected->getIndex + 1;
            $selected->insertSibling( $newindex, $add );
        }
        $add->getParent->setNodeValue( $ARGS{'AndOr'} );
        push @NewSelection, $add;
    }
    @$Selected = ();
}
elsif ( @New ) {
    foreach ( @New ) {
        my $add = $_->clone;
        $Tree->addChild( $add );
        push @NewSelection, $add;
    }
    $Tree->setNodeValue( $ARGS{'AndOr'} );
}
$_->DESTROY foreach @New;

push @$Selected, @NewSelection;

$Tree->PruneChildlessAggregators;

return @results;
</%INIT>
</%METHOD>