content: /*******************************************************************************
   * Copyright (c) 2000, 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.internal.ui.javaeditor.selectionactions;
  
  import org.eclipse.ui.PlatformUI;
  import org.eclipse.wst.jsdt.core.ISourceRange;
  import org.eclipse.wst.jsdt.core.ISourceReference;
  import org.eclipse.wst.jsdt.core.JavaScriptModelException;
  import org.eclipse.wst.jsdt.core.dom.ASTNode;
  import org.eclipse.wst.jsdt.internal.corext.dom.SelectionAnalyzer;
  import org.eclipse.wst.jsdt.internal.ui.IJavaHelpContextIds;
  import org.eclipse.wst.jsdt.internal.ui.javaeditor.JavaEditor;
  
  public class StructureSelectEnclosingAction extends StructureSelectionAction {
  
  	public StructureSelectEnclosingAction(JavaEditor editor, SelectionHistory history) {
  		super(SelectionActionMessages.StructureSelectEnclosing_label, editor, history);
  		setToolTipText(SelectionActionMessages.StructureSelectEnclosing_tooltip);
  		setDescription(SelectionActionMessages.StructureSelectEnclosing_description);
  		PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.STRUCTURED_SELECT_ENCLOSING_ACTION);
  	}
  
  	/*
  	 * This constructor is for testing purpose only.
  	 */
  	public StructureSelectEnclosingAction() {
  	}
  
      /*
       * @see StructureSelectionAction#internalGetNewSelectionRange(ISourceRange, IJavaScriptUnit, SelectionAnalyzer)
       */
  	ISourceRange internalGetNewSelectionRange(ISourceRange oldSourceRange, ISourceReference sr, SelectionAnalyzer selAnalyzer) throws JavaScriptModelException{
  		ASTNode first= selAnalyzer.getFirstSelectedNode();
  		if (first == null || first.getParent() == null)
  			return getLastCoveringNodeRange(oldSourceRange, sr, selAnalyzer);
  
  		return getSelectedNodeSourceRange(sr, first.getParent());
  	}
  }
  