Index: C:/xampp/htdocs/wi1projects/sites/all/modules/biblio/biblio.views.inc
===================================================================
--- C:/xampp/htdocs/wi1projects/sites/all/modules/biblio/biblio.views.inc	(revision 264)
+++ C:/xampp/htdocs/wi1projects/sites/all/modules/biblio/biblio.views.inc	(revision 274)
@@ -50,8 +50,8 @@
       'biblio_handler_citation' => array(
         'parent' => 'views_handler_field',
       ),
-      'biblio_handler_field_contributor' => array(
-        'parent' => 'biblio_handler_field',
+      'biblio_handler_field_contributor_separated' => array(
+        'parent' => 'views_handler_field_prerender_list',
       ),
       'biblio_handler_field_biblio_type' => array(
         'parent' => 'biblio_handler_field',
@@ -136,7 +136,7 @@
     // for contrib_widgets we use a special handler:
     if ($field['type'] == 'contrib_widget') {
       $data[$field['name']]['field'] = array(
-        'handler' => 'biblio_handler_field_contributor',
+        'handler' => 'biblio_handler_field_contributor_separated',
         'auth_category' => $field['ftdid'],
       );
       unset($data[$field['name']]['sort']);

Index: C:/xampp/htdocs/wi1projects/sites/all/modules/biblio/views/biblio_handler_field_contributor_separated.inc
===================================================================
--- C:/xampp/htdocs/wi1projects/sites/all/modules/biblio/views/biblio_handler_field_contributor_separated.inc	(revision 0)
+++ C:/xampp/htdocs/wi1projects/sites/all/modules/biblio/views/biblio_handler_field_contributor_separated.inc	(revision 269)
@@ -0,0 +1,118 @@
+<?php
+// $Id: biblio_handler_field_contributor.inc,v 1.1.2.2.2.2 2010/01/25 02:57:39 rjerome Exp $
+class biblio_handler_field_contributor_separated extends views_handler_field_prerender_list {
+  
+  function init(&$view, $options) {
+    parent::init($view, $options);
+    if ($view->base_table == 'node_revisions') {
+      $this->additional_fields['vid'] = array('table' => 'node_revisions', 'field' => 'vid');
+    }
+    else {
+      $this->additional_fields['vid'] = array('table' => 'node', 'field' => 'vid');
+    }
+	$this->auth_category = isset($this->definition['auth_category']) ? $this->definition['auth_category'] : 1;
+  }
+  
+  function option_definition() {
+    $options = parent::option_definition();
+	$options['author_affiliation'] = array('default' => FALSE);
+    $options['author_userlink'] = array('default' => FALSE);
+    
+	return $options;
+  }
+  
+  function options_form(&$form, &$form_state) {
+    parent::options_form($form, $form_state);
+    
+	$result = db_query('SELECT DISTINCT affiliation FROM {biblio_contributor_data}');
+	$items = db_fetch_array($result);
+
+	while ($items = db_fetch_array($result)) {
+	    $options_db[] = $items['affiliation'];
+	}
+	
+    $form['author_affiliation'] = array(
+      '#type' => 'radios',
+      '#title' => t('Filter'),
+      '#options' => $options_db,
+      '#description' => t('Filter authors by their affiliation'),
+	  '#default_value' => $this->options['author_affiliation'],
+    );
+	
+	$form['author_userlink'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Filter users by uid connection'),
+      '#description' => t('Filter authors by their affiliation'),
+	  '#default_value' => $this->options['author_userlink'],
+    );
+	
+}
+  
+  
+  
+  
+  function query() {
+    $this->add_additional_fields();
+    $this->field_alias = $this->aliases['vid'];
+    // add the biblio_type field as tid
+    $this->query->add_field($this->table_alias, 'biblio_type', 'biblio_tid');
+  }
+
+  function pre_render($values) {
+  
+  // Dirty hack because I couldn't access $options_db from function options_form
+  $result = db_query('SELECT DISTINCT affiliation FROM {biblio_contributor_data}');
+	$items = db_fetch_array($result);
+
+	while ($items = db_fetch_array($result)) {
+	    $options_db[] = $items['affiliation'];
+	}
+   // Hack end
+   
+    $this->items = array();
+
+	$this->field_alias = $this->aliases['vid'];
+    $vids = array();
+    foreach ($values as $result) {
+      if (!empty($result->{$this->aliases['vid']})) {
+        $vids[] = $result->{$this->aliases['vid']};
+      }
+    }
+	
+    if (count($vids)) {
+      // Optimize query if $vids has only 1 item in the array, to use '=' instead of 'IN'.
+      if (count($vids) > 1){
+        $vidstr = 'vid IN ('. implode(',', $vids) .')';
+      }
+      else {
+        $vidstr = 'vid = '. $vids[0];
+      }
+	  
+	  
+	  // Filter only for authors where Drupal User ID is set, if flag is set 
+	  if ($this->options['author_userlink'] == 0) {
+		$query='SELECT * FROM {biblio_contributor} bc
+                          INNER JOIN {biblio_contributor_data} bcd ON bc.cid = bcd.cid
+                          WHERE '. $vidstr . 
+                         ' AND auth_category='. $this->auth_category .
+						 ' AND bcd.affiliation IN ("' . $options_db[$this->options['author_affiliation']] . '")' . 
+                         ' ORDER BY bc.rank';
+		} else {
+			$query='SELECT * FROM {biblio_contributor} bc
+                          INNER JOIN {biblio_contributor_data} bcd ON bc.cid = bcd.cid
+                          WHERE '. $vidstr . 
+                         ' AND auth_category='. $this->auth_category .
+						 ' AND bcd.drupal_uid > 0' . 
+                         ' ORDER BY bc.rank';
+		}				
+	  
+      $result = db_query($query);
+      while ($item = db_fetch_array($result)) {
+        // Clean up the $item from vid.
+        $vid = $item['vid']; unset($item['vid']);
+        $this->items[$vid][] = $item['name'];
+	  }
+    }
+  }
+ 
+ }
\ No newline at end of file