2 * Copyright 2005-2011 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.wicket.behavior;
18 import org.apache.wicket.AttributeModifier;
19 import org.apache.wicket.model.IModel;
20 import org.apache.wicket.model.Model;
23 * Attribute modifier to add onclick confirmation to buttons.
25 * @author Erik Brakkee
27 public class OnClickConfirmationBehavior extends AttributeModifier {
29 private static final String ATTRIBUTE = "onclick";
32 * Constructs the behavior.
33 * @param aMsg Confirmation message.
35 public OnClickConfirmationBehavior(String aMsg) {
36 this(new Model(aMsg));
40 * Constructs the behavior.
41 * @param aMsgModel Confirmation message.
43 public OnClickConfirmationBehavior(IModel<?> aMsgModel) {
44 super(ATTRIBUTE, true, aMsgModel);
48 protected String newValue(String aCurrentValue, String aReplacementValue) {
49 String value = "var conf = confirm('" + aReplacementValue + "'); " +
50 "if (!conf) return false; ";
51 if (aCurrentValue != null) {
52 return value + aCurrentValue;