content: /*******************************************************************************
   * Copyright (c) 2003, 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.navigator;
  
  import org.eclipse.jface.action.IMenuManager;
  import org.eclipse.jface.viewers.ISelection;
  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.CCPActionGroup;
  import org.eclipse.wst.jsdt.ui.actions.GenerateActionGroup;
  import org.eclipse.wst.jsdt.ui.actions.JavaSearchActionGroup;
  import org.eclipse.wst.jsdt.ui.actions.OpenViewActionGroup;
  
  /**
   * Contributes the following actions to the menu on behalf of the JDT content
   * extension.
   * 
   * <ul>
   * <li>{@link OpenViewActionGroup}. Contributes the Open View actions (type
   * hierarchy, call hierarchy, etc).</li>
   * <li>{@link CCPActionGroup}. Contributes the Cut/Copy/Paste/Delete.</li>
   * <li>{@link JavaSearchActionGroup}. Contributes the search functionality (find in workspace, project, etc).</li>
   * <li>{@link GenerateActionGroup}. Contributes the "Source>" and "Generate>" submenu .</li>
   * </ul>
   */
  public class JavaNavigatorActionProvider extends CommonActionProvider {
  
  	private OpenViewActionGroup fOpenViewGroup;
  
  	private CCPActionGroup fCCPGroup;
  
  	private JavaSearchActionGroup fSearchGroup;
  
  	//private GenerateBuildPathActionGroup fBuildPathGroup;
  
  	private GenerateActionGroup fGenerateGroup;
  
  	private boolean fInViewPart= false;
  
  	public void fillActionBars(IActionBars actionBars) {
  		if (fInViewPart) {
  			fOpenViewGroup.fillActionBars(actionBars);
  			fCCPGroup.fillActionBars(actionBars);
  		//	fBuildPathGroup.fillActionBars(actionBars);
  			fGenerateGroup.fillActionBars(actionBars);
  			fSearchGroup.fillActionBars(actionBars);
  		}
  	}
  
  	public void fillContextMenu(IMenuManager menu) {
  		if (fInViewPart) {
  			 ISelection selection = (this.getContext()!=null) ? this.getContext().getSelection() : null;
  			 boolean isEmpty = (selection!=null)? selection.isEmpty() : false;
  			 fOpenViewGroup.containsShowInMenu(!isEmpty);
  			fOpenViewGroup.fillContextMenu(menu);
  			fCCPGroup.setShowLimited(isEmpty);
  			fCCPGroup.fillContextMenu(menu);
  		//	fBuildPathGroup.fillContextMenu(menu);
  			fGenerateGroup.fillContextMenu(menu);
  			fSearchGroup.fillContextMenu(menu);
  		}
  	}
  
  	public void init(ICommonActionExtensionSite site) {
  
  		ICommonViewerWorkbenchSite workbenchSite= null;
  		if (site.getViewSite() instanceof ICommonViewerWorkbenchSite)
  			workbenchSite= (ICommonViewerWorkbenchSite) site.getViewSite();
  
  		if (workbenchSite != null) {
  			if (workbenchSite.getPart() != null && workbenchSite.getPart() instanceof IViewPart) {
  				IViewPart viewPart= (IViewPart) workbenchSite.getPart();
  
  				fOpenViewGroup= new OpenViewActionGroup(viewPart, site.getStructuredViewer());
  				fOpenViewGroup.containsOpenPropertiesAction(false);
  				fCCPGroup= new CCPActionGroup(viewPart);
  				fGenerateGroup= new GenerateActionGroup(viewPart);
  				fSearchGroup= new JavaSearchActionGroup(viewPart);
  				//fBuildPathGroup= new GenerateBuildPathActionGroup(viewPart);
  
  				fInViewPart= true;
  			}
  		}
  	}
  
  	public void setContext(ActionContext context) {
  		super.setContext(context);
  		if (fInViewPart) {
  			fOpenViewGroup.setContext(context);
  			fCCPGroup.setContext(context);
  			fGenerateGroup.setContext(context);
  			fSearchGroup.setContext(context);
  			//fBuildPathGroup.setContext(context);
  		}
  	}
  }
  