/**
* Filter the items_browse_sql to return only items that have a non-empty
* value for the DC:Date field, when using the neatlinetime-json context.
* Uses the ItemSearch model (models/ItemSearch.php) to add the check for
* a non-empty DC:Date.
*
* @param Omeka_Db_Select $select
*/
public function hookItemBrowseSql()
{
$context = Zend_Controller_Action_HelperBroker::getStaticHelper('ContextSwitch')->getCurrentContext();
if ($context == 'neatlinetime-json') {
$search = new ItemSearch($select);
$newParams[0]['element_id'] = neatlinetime_get_option('item_date');
$newParams[0]['type'] = 'is not empty';
$search->advanced($newParams);
}
}
