001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.extensions.wizard; 018 019import org.apache.wicket.model.ResourceModel; 020 021/** 022 * Models a previous button in the wizard. When pressed, it moves the wizard state to the previous 023 * step of the model by calling {@link IWizardModel#previous() previous} on the wizard's model. 024 * 025 * @author Eelco Hillenius 026 */ 027public class PreviousButton extends WizardButton 028{ 029 private static final long serialVersionUID = 1L; 030 031 /** 032 * Construct. 033 * 034 * @param id 035 * The component id 036 * @param wizard 037 * The wizard 038 */ 039 public PreviousButton(final String id, final IWizard wizard) 040 { 041 super(id, wizard, new ResourceModel("org.apache.wicket.extensions.wizard.previous")); 042 setDefaultFormProcessing(false); 043 } 044 045 @Override 046 protected void onConfigure() 047 { 048 super.onConfigure(); 049 050 setEnabled(getWizardModel().isPreviousAvailable()); 051 } 052 053 /** 054 * @see org.apache.wicket.extensions.wizard.WizardButton#onClick() 055 */ 056 @Override 057 public void onClick() 058 { 059 getWizardModel().previous(); 060 } 061}