Filter drop-down institution list for institutional admins

htdocs/admin/users/search.php

@@ -46,10 +46,16 @@ $sortdir = param_alpha('sortdir', 'asc');
 $offset  = param_integer('offset', 0);
 $limit   = param_integer('limit', 10);
 
+if ($USER->get('admin')) {
+    $institutions = get_records_array('institution');
+} else {
+    $institutions = get_records_select_array('institution', "name IN ('" . join("','", array_keys($USER->get('admininstitutions'))) . "')");
+}
+
 $smarty = smarty(array('adminusersearch'));
 $smarty->assign('search', $search);
 $smarty->assign('alphabet', explode(',', get_string('alphabet')));
-$smarty->assign('institutions', get_records_array('institution'));
+$smarty->assign('institutions', $institutions);
 $smarty->assign('results', build_admin_user_search_results($search, $offset, $limit, $sortby, $sortdir));
 $smarty->display('admin/users/search.tpl');
 

htdocs/theme/default/templates/admin/users/search.tpl

@@ -37,7 +37,7 @@
             <label>Query: 
                 <input type="text" name="query" id="query"{if !empty($search->query)} value="{$search->query}"{/if}>
             </label>
-            {if $USER->get('admin') && count($institutions) > 1}
+            {if count($institutions) > 1}
             <span class="institutions">
                 <label>Institution: 
                     <select name="institution" id="institution">