Java tutorial
/* * Copyright 2014 Hippo B.V. (http://www.onehippo.com) * * 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 org.onehippo.forge.settings.management; import org.apache.wicket.Component; import org.apache.wicket.behavior.Behavior; import org.apache.wicket.markup.ComponentTag; import org.apache.wicket.markup.html.form.FormComponent; public class ValidationStyleBehavior extends Behavior { private static final long serialVersionUID = 1L; public void onComponentTag(final Component component, final ComponentTag tag) { FormComponent comp = (FormComponent) component; if (!comp.isValid()) { tag.getAttributes().put("class", "invalid"); } } }