function bartik_preprocess_views_view_field(&$vars){
		if ($vars['view']->name == 'newsletter_templates_links') {
    dpm($vars);
			foreach ($vars['view']->result as &$result) {
				foreach ($result->_field_data['tid']['entity']->field_template_document['und'] as &$doc_data) {
					dpm($doc_data['filename']);
					$doc_data_array = explode(".", $doc_data['filename']);
					switch (end($doc_data_array)) {
						case 'doc':
						case 'docx':
							$doc_data['filename'] = "Word doc.";
							break;

						case 'pdf':
							$doc_data['filename'] = "PDF";
							break;
					}
				}

			}
		}
}