protected function prepare_items()
{
$items = $this->get_items();
$extra_qv = array('p2p:per_page' => -1, 'p2p:context' => 'admin_column');
$connected = $this->ctype->get_connected($items, $extra_qv, 'abstract');
$this->connected = scb_list_group_by($connected->items, '_p2p_get_other_id');
}
/**
* Given a list of objects and another list of connected items,
* distribute each connected item to it's respective counterpart.
*
* @param array List of objects
* @param array List of connected objects
* @param string Name of connected array property
*/
function p2p_distribute_connected($items, $connected, $prop_name)
{
$indexed_list = array();
foreach ($items as $item) {
$item->{$prop_name} = array();
$indexed_list[$item->ID] = $item;
}
$groups = scb_list_group_by($connected, '_p2p_get_other_id');
foreach ($groups as $outer_item_id => $connected_items) {
$indexed_list[$outer_item_id]->{$prop_name} = $connected_items;
}
}
/** @internal */
function p2p_list_cluster($items, $callback)
{
return scb_list_group_by($items, $callback);
}
