content: /*******************************************************************************
   * Copyright (c) 2003, 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.navigator;
  
  import org.eclipse.jface.action.IMenuManager;
  import org.eclipse.ui.IActionBars;
  import org.eclipse.ui.IViewPart;
  import org.eclipse.ui.actions.ActionContext;
  import org.eclipse.ui.navigator.CommonActionProvider;
  import org.eclipse.ui.navigator.ICommonActionExtensionSite;
  import org.eclipse.ui.navigator.ICommonViewerWorkbenchSite;
  import org.eclipse.wst.jsdt.ui.actions.RefactorActionGroup;
  
  /**
   * Contributes the following actions to the menu on behalf of the JDT content
   * extension.
   * 
   * <ul>
   * <li>{@link RefactorActionGroup}. Contributes the "Refactor>" and "Source>" submenus to the context menu.</li>
   * </ul>
   */
  public class JavaNavigatorRefactorActionProvider extends CommonActionProvider {
  
  	private RefactorActionGroup fRefactorGroup;
  
  	public void fillActionBars(IActionBars actionBars) {
  		if (fRefactorGroup != null) {
  			fRefactorGroup.fillActionBars(actionBars);
  			fRefactorGroup.retargetFileMenuActions(actionBars);
  		}
  	}
  
  	public void fillContextMenu(IMenuManager menu) {
  		if (fRefactorGroup != null) {
  			fRefactorGroup.fillContextMenu(menu);
  		}
  	}
  
  	public void init(ICommonActionExtensionSite site) {
  		ICommonViewerWorkbenchSite workbenchSite= null;
  		if (site.getViewSite() instanceof ICommonViewerWorkbenchSite)
  			workbenchSite= (ICommonViewerWorkbenchSite) site.getViewSite();
  
  		// we only initialize the refactor group when in a view part 
  		// (required for the constructor)
  		if (workbenchSite != null) {
  			if (workbenchSite.getPart() != null && workbenchSite.getPart() instanceof IViewPart) {
  				IViewPart viewPart= (IViewPart) workbenchSite.getPart();
  
  				fRefactorGroup= new RefactorActionGroup(viewPart);
  			}
  		}
  	}
  
  	public void setContext(ActionContext context) {
  		if (fRefactorGroup != null) {
  			fRefactorGroup.setContext(context);
  		}
  	}
  }
  