--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/override/StringFilter.js	Thu Feb 02 16:43:53 2017 +0100
@@ -0,0 +1,33 @@
+/* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
+ * Software engineering by Intevation GmbH
+ *
+ * This file is Free Software under the GNU GPL (v>=3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out
+ * the documentation coming with IMIS-Labordaten-Application for details.
+ */
+
+Ext.define('Lada.override.StringFilter', {
+    override: 'Ext.ux.grid.filter.StringFilter',
+
+    validateRecord: function(record) {
+        if (this.dataIndex === 'gemId') {
+            var store = Ext.data.StoreManager.get('verwaltungseinheiten');
+            var item = store.getById(record.get('gemId'));
+            var comp = item.get('bezeichnung');
+            return comp.toLowerCase().indexOf(this.getValue().toLowerCase()) > -1;
+        }
+        else if (this.dataIndex === 'staatId') {
+            var store = Ext.data.StoreManager.get('staaten');
+            var item = store.getById(record.get('staatId'));
+            var comp = item.get('staatIso');
+            return comp.toLowerCase().indexOf(this.getValue().toLowerCase()) > -1;
+        }
+        else {
+            var val = record.get(this.dataIndex);
+            if(typeof val != 'string') {
+                return (this.getValue().length === 0);
+            }
+            return val.toLowerCase().indexOf(this.getValue().toLowerCase()) > -1;
+        }
+    }
+});