/**
* Gather the data needed to process all Grid field
*
* The returned object will be passed to replace() as a third parameter.
*
* @param String The tagdata to be parsed
* @param Object The preparser object.
* @return Object EE_Grid_field_parser object
*/
public function pre_process($tagdata, EE_Channel_preparser $pre)
{
$grid_field_names = array();
// Run the preprocessor for each site
foreach ($pre->site_ids() as $site_id) {
$gfields = $pre->channel()->gfields;
// Skip a site if it has no Grid fields
if (!isset($gfields[$site_id]) or empty($gfields[$site_id])) {
continue;
}
$grid_field_names = array_merge($grid_field_names, array_values(array_flip($gfields[$site_id])));
ee()->load->library('grid_parser');
ee()->grid_parser->pre_process($tagdata, $pre, $gfields[$site_id]);
}
$grid_field_names = $pre->prefix() . implode('|' . $pre->prefix(), $grid_field_names);
// Match all conditionals with these Grid field names so we can
// make {if grid_field} work
preg_match_all("/" . preg_quote(LD) . "((if:(else))*if)\\s+({$grid_field_names})(?!:)(\\s+|" . preg_quote(RD) . ")/s", $tagdata, $matches);
// For each field found in a conditional, add it to the modified
// conditionals array to make the conditional evaluate with the
// :total_rows modifier, otherwise it will evaluate based on what's
// in channel_data, and only data from searchable fields is there
if (isset($matches[4]) && !empty($matches[4])) {
foreach ($matches[4] as $value) {
$pre->modified_conditionals[$value][] = 'total_rows';
}
}
return NULL;
}
/**
* Set up the relationship parser's tree and data pre-caching.
*
* The returned object will be passed to replace() as a third parameter.
*
* @param String The tagdata to be parsed
* @param Object The preparser object.
* @return Array The relationship parser object
*/
public function pre_process($tagdata, EE_Channel_preparser $pre)
{
$rfields = $pre->channel()->rfields;
$process_fields = array();
foreach ($pre->site_ids() as $site_id) {
if (!isset($rfields[$site_id]) or empty($rfields[$site_id])) {
continue;
}
$process_fields[$site_id] = $rfields[$site_id];
}
if (empty($process_fields)) {
return NULL;
}
ee()->load->library('relationships_parser');
try {
return ee()->relationships_parser->create($process_fields, $pre->entry_ids());
} catch (EE_Relationship_exception $e) {
ee()->TMPL->log_item($e->getMessage());
}
return NULL;
}
