/**
* Changes the rank of a custom field
*
* @access public
*/
function changeRank()
{
$fld_id = $_REQUEST['id'];
$direction = $_REQUEST['direction'];
// get array of all fields and current ranks
$fields = Custom_Field::getList();
for ($i = 0; $i < count($fields); $i++) {
if ($fields[$i]['fld_id'] == $fld_id) {
// this is the field we want to mess with
if ($i == 0 && $direction == -1 || $i + 1 == count($fields) && $direction == +1) {
// trying to move first entry lower or last entry higher will not work
break;
}
$target_index = $i + $direction;
$target_row = $fields[$target_index];
if (empty($target_row)) {
break;
}
// update this entry
Custom_Field::setRank($fld_id, $target_row['fld_rank']);
// update field we stole this rank from
Custom_Field::setRank($target_row['fld_id'], $fields[$i]['fld_rank']);
}
}
// re-order everything starting from 1
$fields = Custom_Field::getList();
$rank = 1;
foreach ($fields as $field) {
Custom_Field::setRank($field['fld_id'], $rank++);
}
return 1;
}
