Form submission handler for aggregator_categorize_items().
function aggregator_categorize_items_submit($form, &$form_state) {
if (!empty($form_state['values']['categories'])) {
foreach ($form_state['values']['categories'] as $iid => $selection) {
db_delete('aggregator_category_item')
->condition('iid', $iid)
->execute();
$insert = db_insert('aggregator_category_item')
->fields(array(
'iid',
'cid',
));
$has_values = FALSE;
foreach ($selection as $cid) {
if ($cid && $iid) {
$has_values = TRUE;
$insert
->values(array(
'iid' => $iid,
'cid' => $cid,
));
}
}
if ($has_values) {
$insert
->execute();
}
}
}
drupal_set_message(t('The categories have been saved.'));
}