content: /*******************************************************************************
   * Copyright (c) 2005, 2008 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.ui.text.folding;
  
  import org.eclipse.wst.jsdt.core.IJavaScriptElement;
  
  /**
   * Extends {@link IJavaFoldingStructureProvider} with the following
   * functions:
   * <ul>
   * <li>collapsing of comments and members</li>
   * <li>expanding and collapsing of certain JavaScript elements</li>
   * </ul>
   * 
   *
   * Provisional API: This class/interface is part of an interim API that is still under development and expected to
   * change significantly before reaching stability. It is being made available at this early stage to solicit feedback
   * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
   * (repeatedly) as the API evolves. */
  public interface IJavaFoldingStructureProviderExtension {
  	/**
  	 * Collapses all members except for top level types.
  	 */
  	void collapseMembers();
  
  	/**
  	 * Collapses all comments.
  	 */
  	void collapseComments();
  
  	/**
  	 * Collapses the given elements.
  	 * 
  	 * @param elements the JavaScript elements to collapse (the array and its elements must not be
  	 *        modified)
  	 */
  	void collapseElements(IJavaScriptElement[] elements);
  
  	/**
  	 * Expands the given elements.
  	 * 
  	 * @param elements the JavaScript elements to expand (the array and its elements must not be modified)
  	 */
  	void expandElements(IJavaScriptElement[] elements);
  }
  