'parent', 'id' => 'term_id' );
function start_lvl( &$output, $depth = 0, $args = array() ) {
$output .= "\n";
}
function start_el( &$output, $object, $depth = 0, $args = array(), $current_object_id = 0 ) {
$output .= '' . __( $object->name ) . '';
if ( $args[ 'show_count' ] )
$output .= ' (' . $object->count . ')';
if ( $args[ 'show_descr' ] && strlen( $object->description ) )
$output .= ' ' . $object->description . '';
}
function end_el( &$output, $object, $depth = 0, $args = array() ) {
$output .= "\n";
}
function display_element( $element, &$children_elements, $max_depth, $depth = 0, $args, &$output ) {
if ( !$element )
return;
$id_field = $this->db_fields[ 'id' ];
$display = (
!$args[ 0 ][ 'current_only' ] ||
1 == $args[ 0 ][ 'current_only' ] ||
(
2 == $args[ 0 ][ 'current_only' ] &&
(
$args[ 0 ][ 'current_term_id' ] == $element->parent
//|| $args[ 0 ][ 'current_term_id' ] == $element->$id_field
//|| in_array( $element->parent, $args[ 0 ][ 'current_ancestors' ] )
)
)
);
if ( ! $args[ 0 ][ 'current_only' ] // show all terms
|| ( ( $args[ 0 ][ 'current_only' ] )
&& ( $element->parent == 0
|| $args[ 0 ][ 'current_term_id' ] == $element->parent
|| in_array( $element->parent, $args[ 0 ][ 'current_ancestors' ] )
) ) // show only current term
):
if ( $display ):
if ( is_array( $args[ 0 ] ) )
$args[ 0 ][ 'has_children' ] = ! empty( $children_elements[ $element->$id_field ] );
$cb_args = array_merge( array( &$output, $element, $depth ), $args );
call_user_func_array( array( &$this, 'start_el' ), $cb_args );
endif;
$id = $element->$id_field;
if ( ( $max_depth == 0 || $max_depth > $depth + 1 ) && isset( $children_elements[ $id ] ) ) {
foreach( $children_elements[ $id ] as $child ){
if ( $display && !isset( $newlevel ) ) {
$newlevel = TRUE;
$cb_args = array_merge( array( &$output, $depth ), $args );
call_user_func_array( array( &$this, 'start_lvl' ), $cb_args );
}
$this->display_element( $child, $children_elements, $max_depth, $depth + 1, $args, $output );
}
unset( $children_elements[ $id ] );
}
if ( $display && isset( $newlevel ) && $newlevel ){
$cb_args = array_merge( array( &$output, $depth ), $args );
call_user_func_array( array( &$this, 'end_lvl' ), $cb_args );
}
if ( $display ):
$cb_args = array_merge( array( &$output, $element, $depth ), $args );
call_user_func_array( array( &$this, 'end_el' ), $cb_args );
endif;
endif;
}
}