WizardButton.java :  » J2EE » wicket-1.4 » org » apache » wicket » extensions » wizard » Java Open Source

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wicket 1.4 » org » apache » wicket » extensions » wizard » WizardButton.java
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.wicket.extensions.wizard;

import org.apache.wicket.markup.html.form.Button;
import org.apache.wicket.model.ResourceModel;

/**
 * Base class for buttons that work with {@link IWizard the wizard component}. It uses resource
 * bundles to display the button label.
 * <p>
 * When wizard buttons are presses (and they pass validation if that is relevant), they pass control
 * to {@link #onClick() their action method}, which should do the real work.
 * </p>
 * 
 * @author Eelco Hillenius
 */
public abstract class WizardButton extends Button
{
  private static final long serialVersionUID = 1L;

  /**
   * The enclosing wizard.
   */
  private final IWizard wizard;

  /**
   * Construct.
   * 
   * @param id
   *            The component id
   * @param wizard
   *            The wizard
   * @param labelResourceKey
   *            The resource key of the button's label
   */
  public WizardButton(String id, IWizard wizard, String labelResourceKey)
  {
    super(id, new ResourceModel(labelResourceKey));
    this.wizard = wizard;
  }

  /**
   * Gets the {@link IWizard}.
   * 
   * @return The wizard
   */
  protected final IWizard getWizard()
  {
    return wizard;
  }

  /**
   * Gets the {@link IWizardModel wizard model}.
   * 
   * @return The wizard model
   */
  protected final IWizardModel getWizardModel()
  {
    return getWizard().getWizardModel();
  }

  /**
   * Called when this button is clicked.
   */
  protected abstract void onClick();

  /**
   * @see org.apache.wicket.markup.html.form.Button#onSubmit()
   */
  @Override
  public final void onSubmit()
  {
    onClick();
  }
}
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