private static function get_visible_directions($post_type, $ctype, $show_ui)
{
$direction = $ctype->find_direction($post_type, false);
if (!$direction) {
return array();
}
if ($ctype->indeterminate && !$ctype->reciprocal) {
return _p2p_expand_direction($show_ui);
}
if ('any' == $show_ui || $direction == $show_ui) {
return array($direction);
}
return array();
}
/**
* Retrieve connections.
*
* @param string $p2p_type A valid connection type.
* @param array $args Query args:
*
* - 'direction': Can be 'from', 'to' or 'any'
* - 'from': Object id. The first end of the connection. (optional)
* - 'to': Object id. The second end of the connection. (optional)
* - 'fields': Which field of the connection to return. Can be:
* 'all', 'object_id', 'p2p_from', 'p2p_to', 'p2p_id' or 'count'
*
* @return array
*/
function p2p_get_connections($p2p_type, $args = array())
{
extract(wp_parse_args($args, array('direction' => 'from', 'from' => 'any', 'to' => 'any', 'fields' => 'all')), EXTR_SKIP);
$r = array();
foreach (_p2p_expand_direction($direction) as $direction) {
$args = array($from, $to);
if ('to' == $direction) {
$args = array_reverse($args);
}
if ('object_id' == $fields) {
$field = 'to' == $direction ? 'p2p_from' : 'p2p_to';
} else {
$field = $fields;
}
$r = array_merge($r, _p2p_get_connections($p2p_type, array('from' => $args[0], 'to' => $args[1], 'fields' => $field)));
}
if ('count' == $fields) {
return array_sum($r);
}
return $r;
}
function _directions_for_admin($direction, $show_ui)
{
return array_intersect(_p2p_expand_direction($show_ui), _p2p_expand_direction($direction));
}
/**
* Retrieve connections.
*
* @param string $p2p_type A valid connection type.
* @param array $args Query args:
*
* - 'direction': Can be 'from', 'to' or 'any'
* - 'from': Object id. The first end of the connection. (optional)
* - 'to': Object id. The second end of the connection. (optional)
* - 'fields': Which field of the connection to return. Can be:
* 'all', 'object_id', 'p2p_from', 'p2p_to', 'p2p_id' or 'count'
*
* @return array
*/
function p2p_get_connections($p2p_type, $args = array())
{
$args = wp_parse_args($args, array('direction' => 'from', 'from' => 'any', 'to' => 'any', 'fields' => 'all'));
$r = array();
foreach (_p2p_expand_direction($args['direction']) as $direction) {
$dirs = array($args['from'], $args['to']);
if ('to' == $direction) {
$dirs = array_reverse($dirs);
}
if ('object_id' == $args['fields']) {
$fields = 'to' == $direction ? 'p2p_from' : 'p2p_to';
} else {
$fields = $args['fields'];
}
$r = array_merge($r, _p2p_get_connections($p2p_type, array('from' => $dirs[0], 'to' => $dirs[1], 'fields' => $fields)));
}
if ('count' == $args['fields']) {
return array_sum($r);
}
return $r;
}
function directions_for_admin($_, $show_ui)
{
return array_intersect(_p2p_expand_direction($show_ui), _p2p_expand_direction('any'));
}
