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  * This program is free software; you can redistribute it and/or modify it under the 
  * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software 
  * Foundation.
  * You should have received a copy of the GNU Lesser General Public License along with this 
  * program; if not, you can obtain a copy at 
  * or from the Free Software Foundation, Inc., 
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * Copyright 2008 Pentaho Corporation.  All rights reserved.
 * @created Jul 31, 2008 
 * @author wseyler
package org.pentaho.gwt.widgets.client.wizards;

wseyler Listener interface for classes that monitor IWizardPanel implemtations.
public interface IWizardPanelListener {

wizardPanel This method is fired by the AbstractWizardPanel when an interesting (canContinue or canFinish) event occurs. This allows communication between the AbstractWizardDialog and it's Panels so that when a panel is manipulated and its state becomes ready to continue or finish the AbstractWizardPanel can update it's GUI accordingly (ie enable/disable buttons).
  public void panelUpdated(IWizardPanel wizardPanel);
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