6c6
<  * This module allows views to query the nodes referenced by a certain node reference field.
---
>  * This module allows views to query the nodes referenced by a certain reference fields.
8,9c8,9
<  * You can use it to filter results from a node reference, and show referenced nodes with pager.
<  * Results are returned in the order they wree entered in the node reference field.
---
>  * You can use it to filter results from a reference, and show referenced nodes with pager.
>  * Results are returned in the order they were entered in the node reference field.
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<     'referencedbyfilter' => array(
<       'name' => t('Node Reference: Views on node reference'),
<       'handler' => t('referencedbyfilter_arg_nid'),
---
>     'referencedbynidfilter' => array(
>       'name' => t('Node Reference: Nodes referenced by NID'),
>       'handler' => referencedbyfilter_arg_nid,
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<         '#options' => referencedbyfilter_retrieve_existing_reference_fields(),
---
>         '#options' => referencedbyfilter_retrieve_existing_reference_fields('nodereference'),
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>     'referencedbyuidfilter' => array(
>       'name' => t('User Reference: Nodes created by the users referenced by NID'),
>       'handler' => referencedbyfilter_arg_uid,
>       'option' => array(
>         '#type' => 'select', 
>         '#options' => referencedbyfilter_retrieve_existing_reference_fields('userreference'),
>       ),
>       'help' => t('This argument allows views to query the nodes which were created by a user referenced by a certain user reference field. 
>         In the options field specify the referencing field.'),
>     ),
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> /** 
>  * Handler function for referencedbyfilter_views_arguments().
>  */
> function referencedbyfilter_arg_uid($op, &$query, $argtype, $arg = NULL) {
>   switch ($op) {
>     case 'filter':
>       $nid = (int)$arg;
>       if (is_int($nid)) {
>         $node_reference_table = 'content_'. $argtype['options'];
>         $referencing_field = $argtype['options'];
>         $node = node_load($nid);
>         if (!empty($node->$referencing_field)) {          
>           $joininfo = array(
>             'type' => 'INNER',
>             'left' => array(
>               'table' => 'node',
>               'field' => 'uid',
>             ),
>             'right' => array(
>               // Join to the referenced field.
>               'field' => $referencing_field .'_uid',
>             ),
>           );          
>           $query->add_table($node_reference_table, FALSE, 1, $joininfo);
>           $query->add_field($referencing_field .'_uid', $node_reference_table);
>           $query->add_where($node_reference_table. '.nid = %d', $nid);
>         }
>       }
>       break;
>   }
> }
> 
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< function referencedbyfilter_retrieve_existing_reference_fields() {
---
> function referencedbyfilter_retrieve_existing_reference_fields($type = nodereference) {
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<     if ($field['type'] == 'nodereference') {
<      $existing_reference_fields[$field['field_name']] = $field['field_name']; 
---
>     if ($field['type'] == $type) {
>      $existing_reference_fields[$field['field_name']] = $field['widget']['label']. ' (' .$field['field_name'].')';