001// Copyright 2010 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007// http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.tapestry5.corelib;
016
017/**
018 * Controls if and how client-side form input validation occurs. For compatibility with Tapestry 5.1,
019 * a coercion from "true" to {@link #BLUR} and from "false" to {@link #NONE} are added (though these
020 * may be removed some time after Tapestry 5.2).
021 * 
022 * @since 5.2.2
023 */
024public enum ClientValidation
025{
026    /**
027     * Fields validate as the user tabs out of them ("onblur" client side event), as well as when the form submits. This
028     * is the default behavior.
029     */
030    BLUR,
031
032    /**
033     * Fields only validate when the form submits (validation errors will prevent the form from actually submitting).
034     */
035    SUBMIT,
036
037    /**
038     * Client-side validation is disabled.
039     */
040    NONE;
041}