content: /*******************************************************************************
   * Copyright (c) 2000, 2007 IBM Corporation and others.
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *     IBM Corporation - initial API and implementation
   *******************************************************************************/
  package org.eclipse.wst.jsdt.internal.ui.wizards.dialogfields;
  
  import org.eclipse.swt.events.KeyEvent;
  
  /**
   * Change listener used by <code>TreeListDialogField</code>
   */
  public interface ITreeListAdapter {
  	
  	/**
  	 * A button from the button bar has been pressed.
  	 */
  	void customButtonPressed(TreeListDialogField field, int index);
  	
  	/**
  	 * The selection of the list has changed.
  	 */	
  	void selectionChanged(TreeListDialogField field);
  
  	/**
  	 * The list has been double clicked
  	 */
  	void doubleClicked(TreeListDialogField field);
  
  	/**
  	 * A key has been pressed
  	 */
  	void keyPressed(TreeListDialogField field, KeyEvent event);
  
  	Object[] getChildren(TreeListDialogField field, Object element);
  
  	Object getParent(TreeListDialogField field, Object element);
  
  	boolean hasChildren(TreeListDialogField field, Object element);
  
  }
  