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 next button in the wizard. When pressed, it calls {@link IWizardStep#applyState()} on 023 * the active wizard step, and then moves the wizard state to the next step of the model by calling 024 * {@link IWizardModel#next() next} on the wizard's model. 025 * 026 * @author Eelco Hillenius 027 */ 028public class NextButton extends WizardButton 029{ 030 private static final long serialVersionUID = 1L; 031 032 /** 033 * Construct. 034 * 035 * @param id 036 * @param wizard 037 */ 038 public NextButton(final String id, final IWizard wizard) 039 { 040 super(id, wizard, new ResourceModel("org.apache.wicket.extensions.wizard.next")); 041 } 042 043 @Override 044 protected void onConfigure() 045 { 046 super.onConfigure(); 047 048 setEnabled(getWizardModel().isNextAvailable()); 049 } 050 051 /** 052 * @see org.apache.wicket.extensions.wizard.WizardButton#onClick() 053 */ 054 @Override 055 public void onClick() 056 { 057 IWizardModel wizardModel = getWizardModel(); 058 IWizardStep step = wizardModel.getActiveStep(); 059 060 // let the step apply any state 061 step.applyState(); 062 063 // if the step completed after applying the state, move the 064 // model onward 065 if (step.isComplete()) 066 { 067 wizardModel.next(); 068 } 069 else 070 { 071 error(getLocalizer().getString( 072 "org.apache.wicket.extensions.wizard.NextButton.step.did.not.complete", this)); 073 } 074 } 075 076 /** 077 * @see org.apache.wicket.Component#onBeforeRender() 078 */ 079 @Override 080 protected void onBeforeRender() 081 { 082 getForm().setDefaultButton(this); 083 super.onBeforeRender(); 084 } 085}