Package org.apache.wicket.extensions.wizard

Source Code of org.apache.wicket.extensions.wizard.AjaxWizardButtonBar

/*
* 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.Component;
import org.apache.wicket.MarkupContainer;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.attributes.AjaxRequestAttributes;
import org.apache.wicket.ajax.form.AjaxFormSubmitBehavior;
import org.apache.wicket.markup.ComponentTag;

/**
* A bar of buttons for wizards utilizing {@link AjaxFormSubmitBehavior}.
*
* @see Wizard#newButtonBar(String)
*
* @author svenmeier
*/
public class AjaxWizardButtonBar extends WizardButtonBar
{
  private static final long serialVersionUID = 1L;

  /**
   * Construct.
   *
   * @param id
   *            The component id
   * @param wizard
   *            The containing wizard
   */
  public AjaxWizardButtonBar(String id, Wizard wizard)
  {
    super(id, wizard);

    wizard.setOutputMarkupId(true);
  }

  @Override
  public MarkupContainer add(Component... childs)
  {
    for (Component component : childs)
    {
      if (component instanceof WizardButton)
      {
        ajaxify((WizardButton)component);
      }
    }
    return super.add(childs);
  }

  private void ajaxify(final WizardButton button)
  {
    button.add(new AjaxFormSubmitBehavior("click")
    {
      private static final long serialVersionUID = 1L;

      @Override
      protected void updateAjaxAttributes(AjaxRequestAttributes attributes)
      {
        super.updateAjaxAttributes(attributes);

        AjaxWizardButtonBar.this.updateAjaxAttributes(attributes);
      }

      @Override
      public boolean getDefaultProcessing()
      {
        return button.getDefaultFormProcessing();
      }

      @Override
      protected void onSubmit(AjaxRequestTarget target)
      {
        target.add(findParent(Wizard.class));

        button.onSubmit();
      }

      @Override
      protected void onAfterSubmit(AjaxRequestTarget target)
      {
        button.onAfterSubmit();
      }

      @Override
      protected void onError(AjaxRequestTarget target)
      {
        target.add(findParent(Wizard.class));

        button.onError();
      }
     
      @Override
      protected void onComponentTag(ComponentTag tag)
      {
        // WICKET-5644 prevent non-Ajax submit (similar to AjaxButton WICKET-5594)
        tag.put("type", "button");
      }
    });
  }

  /**
   * Hook method to update Ajax attributes.
   *
   * @param attributes
   *            Ajax attributes
   */
  protected void updateAjaxAttributes(AjaxRequestAttributes attributes)
  {
  }
}
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