public function renderOut(&$out)
{
$titles = array();
$this->ds->clearFields()->clearOrder()->toggleAutoGroupBy(false);
foreach ($this->fields as $field) {
/* @var $field Am_Grid_Field */
$name = $field->getFieldName();
$stm = $this->stms[$name];
$this->ds->addField(sprintf("SUM({$stm})", $name), '_' . $name);
$titles['_' . $name] = $field->getFieldTitle();
}
$totals = array();
foreach (Am_Di::getInstance()->db->selectRow($this->ds->getSql()) as $key => $val) {
$totals[] = sprintf('%s %s: <strong>%s</strong>', ___('Total'), $titles[$key], Am_Currency::render($val));
}
$count = count($this->grid->getFields());
$tr = sprintf('<tr><td class="grid-total" colspan="%d">%s</td></td>', $count, implode(',', $totals));
$out = preg_replace('|(<tr>\\s*<th>)|', str_replace('$', '\\$', $tr) . '\\1', $out);
}
