--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/scala/net/tz/lift/model/OptionalEmailField.scala	Tue Apr 03 11:47:03 2012 +0200
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2012 Tomas Zeman <tzeman@volny.cz>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package net.tz.lift.model
+
+import net.liftweb.common._
+import net.liftweb.record.Record
+import net.liftweb.record.field._
+import net.liftweb.util.FieldError
+
+class OptionalEmailField[T <: Record[T]](rec: T, maxLength: Int) extends
+  OptionalStringField[T](rec, maxLength) {
+  override def validations = validateEmail _ :: Nil
+  protected def validateEmail(email: ValueType): List[FieldError] =
+    toBoxMyType(email) match {
+      case Empty | Full("") => Nil
+      case Full(v) if EmailField.validEmailAddr_?(v) => Nil
+      case _ => FieldError(this, l10n("invalid.email.address")) :: Nil
+    }
+}
+
+// vim: set ts=2 sw=2 et: