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.ui.actions;
  
  import org.eclipse.core.runtime.Assert;
  import org.eclipse.jface.action.GroupMarker;
  import org.eclipse.jface.action.IMenuManager;
  import org.eclipse.jface.action.MenuManager;
  import org.eclipse.jface.action.Separator;
  import org.eclipse.ui.IActionBars;
  import org.eclipse.ui.IViewPart;
  import org.eclipse.ui.IWorkbenchSite;
  import org.eclipse.ui.actions.ActionContext;
  import org.eclipse.ui.actions.ActionGroup;
  import org.eclipse.ui.part.Page;
  import org.eclipse.ui.texteditor.ITextEditorActionConstants;
  import org.eclipse.wst.jsdt.internal.ui.javaeditor.JavaEditor;
  import org.eclipse.wst.jsdt.internal.ui.search.SearchMessages;
  import org.eclipse.wst.jsdt.ui.PreferenceConstants;
  
  /**
   * Action group that adds the JavaScript search actions to a context menu and
   * the global menu bar.
   * 
   * <p>
   * This class may be instantiated; it is not intended to be subclassed.
   * </p>
   * 
   *
   * 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 class JavaSearchActionGroup extends ActionGroup {
  
  	private JavaEditor fEditor;
  
  	private ReferencesSearchGroup fReferencesGroup;
  	private ReadReferencesSearchGroup fReadAccessGroup;
  	private WriteReferencesSearchGroup fWriteAccessGroup;
  	private DeclarationsSearchGroup fDeclarationsGroup;
  //	private ImplementorsSearchGroup fImplementorsGroup;
  	private OccurrencesSearchGroup fOccurrencesGroup;
  	
  	
  	/**
  	 * Creates a new <code>JavaSearchActionGroup</code>. The group 
  	 * requires that the selection provided by the part's selection provider 
  	 * is of type <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
  	 * 
  	 * @param part the view part that owns this action group
  	 */
  	public JavaSearchActionGroup(IViewPart part) {
  		this(part.getViewSite());
  	}
  	
  	/**
  	 * Creates a new <code>JavaSearchActionGroup</code>. The group 
  	 * requires that the selection provided by the page's selection provider 
  	 * is of type <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
  	 * 
  	 * @param page the page that owns this action group
  	 */
  	public JavaSearchActionGroup(Page page) {
  		this(page.getSite());
  	}
  
  	/**
  	 * Note: This constructor is for internal use only. Clients should not call this constructor.
  	 * @param editor the JavaScript editor
  	 */
  	public JavaSearchActionGroup(JavaEditor editor) {
  		Assert.isNotNull(editor);
  		fEditor= editor;
  		
  		fReferencesGroup= new ReferencesSearchGroup(fEditor);
  		fReadAccessGroup= new ReadReferencesSearchGroup(fEditor);
  		fWriteAccessGroup= new WriteReferencesSearchGroup(fEditor);
  		fDeclarationsGroup= new DeclarationsSearchGroup(fEditor);
  //		fImplementorsGroup= new ImplementorsSearchGroup(fEditor);
  		fOccurrencesGroup= new OccurrencesSearchGroup(fEditor);
  	}
  
  	private JavaSearchActionGroup(IWorkbenchSite site) {
  		fReferencesGroup= new ReferencesSearchGroup(site);
  		fReadAccessGroup= new ReadReferencesSearchGroup(site);
  		fWriteAccessGroup= new WriteReferencesSearchGroup(site);
  		fDeclarationsGroup= new DeclarationsSearchGroup(site);
  //		fImplementorsGroup= new ImplementorsSearchGroup(site);
  		fOccurrencesGroup= new OccurrencesSearchGroup(site);
  	}
  
  	/* 
  	 * Method declared on ActionGroup.
  	 */
  	public void setContext(ActionContext context) {
  		fReferencesGroup.setContext(context);
  		fDeclarationsGroup.setContext(context);
  //		fImplementorsGroup.setContext(context);
  		fReadAccessGroup.setContext(context);
  		fWriteAccessGroup.setContext(context);
  		fOccurrencesGroup.setContext(context);
  	}
  
  	/* 
  	 * Method declared on ActionGroup.
  	 */
  	public void fillActionBars(IActionBars actionBar) {
  		super.fillActionBars(actionBar);
  		fReferencesGroup.fillActionBars(actionBar);
  		fDeclarationsGroup.fillActionBars(actionBar);
  //		fImplementorsGroup.fillActionBars(actionBar);
  		fReadAccessGroup.fillActionBars(actionBar);
  		fWriteAccessGroup.fillActionBars(actionBar);
  		fOccurrencesGroup.fillActionBars(actionBar);
  	}
  	
  	/* 
  	 * Method declared on ActionGroup.
  	 */
  	public void fillContextMenu(IMenuManager menu) {
  		super.fillContextMenu(menu);
  		
  		if(PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.SEARCH_USE_REDUCED_MENU)) {
  			fReferencesGroup.fillContextMenu(menu);
  			fDeclarationsGroup.fillContextMenu(menu);
  
  			if (fEditor == null) {
  //				fImplementorsGroup.fillContextMenu(menu);
  				fReadAccessGroup.fillContextMenu(menu);
  				fWriteAccessGroup.fillContextMenu(menu);
  			}
  		} else {
  			IMenuManager target= menu;
  			IMenuManager searchSubMenu= null;
  			if (fEditor != null) {
  				String groupName= SearchMessages.group_search; 
  				searchSubMenu= new MenuManager(groupName, ITextEditorActionConstants.GROUP_FIND);
  				searchSubMenu.add(new GroupMarker(ITextEditorActionConstants.GROUP_FIND));
  				target= searchSubMenu;
  			}
  			
  			fReferencesGroup.fillContextMenu(target);
  			fDeclarationsGroup.fillContextMenu(target);
  //			fImplementorsGroup.fillContextMenu(target);
  			fReadAccessGroup.fillContextMenu(target);
  			fWriteAccessGroup.fillContextMenu(target);
  			
  			if (searchSubMenu != null) {
  				fOccurrencesGroup.fillContextMenu(target);
  				searchSubMenu.add(new Separator());
  			}
  			
  			// no other way to find out if we have added items.
  			if (searchSubMenu != null && searchSubMenu.getItems().length > 2) {		
  				menu.appendToGroup(ITextEditorActionConstants.GROUP_FIND, searchSubMenu);
  			}
  		}
  	}	
  
  	/* 
  	 * Method declared on ActionGroup.
  	 */
  	public void dispose() {
  		fReferencesGroup.dispose();
  		fDeclarationsGroup.dispose();
  //		fImplementorsGroup.dispose();
  		fReadAccessGroup.dispose();
  		fWriteAccessGroup.dispose();
  		fOccurrencesGroup.dispose();
  
  		super.dispose();
  	}
  }
  