| /******************************************************************************* |
| * 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.ui.part; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.e4.core.services.context.EclipseContextFactory; |
| import org.eclipse.e4.core.services.context.IEclipseContext; |
| import org.eclipse.e4.workbench.ui.internal.UISchedulerStrategy; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IActionBars; |
| import org.eclipse.ui.IViewSite; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.SubActionBars; |
| import org.eclipse.ui.internal.PartSite; |
| import org.eclipse.ui.internal.PopupMenuExtender; |
| import org.eclipse.ui.internal.ViewSite; |
| import org.eclipse.ui.internal.part.IPageSiteHolder; |
| import org.eclipse.ui.internal.services.INestable; |
| import org.eclipse.ui.internal.services.IServiceLocatorCreator; |
| import org.eclipse.ui.internal.services.IWorkbenchLocationService; |
| import org.eclipse.ui.internal.services.ServiceLocator; |
| import org.eclipse.ui.internal.services.WorkbenchLocationService; |
| import org.eclipse.ui.services.IDisposable; |
| import org.eclipse.ui.services.IServiceScopes; |
| |
| /** |
| * This implementation of <code>IPageSite</code> provides a site for a page |
| * within a <code>PageBookView</code>. Most methods are forwarded to the view's |
| * site. |
| */ |
| public class PageSite implements IPageSite, INestable { |
| |
| /** |
| * The list of menu extender for each registered menu. |
| */ |
| private ArrayList menuExtenders; |
| |
| /** |
| * The "parent" view site |
| */ |
| private IViewSite parentSite; |
| |
| /** |
| * A selection provider set by the page. Value is <code>null</code> until |
| * set. |
| */ |
| private ISelectionProvider selectionProvider; |
| |
| /** |
| * The localized service locator for this page site. This locator is never |
| * <code>null</code>. |
| */ |
| private final ServiceLocator serviceLocator; |
| |
| /** |
| * The action bars for this site |
| */ |
| private SubActionBars subActionBars; |
| |
| private IEclipseContext e4Context; |
| |
| /** |
| * Creates a new sub view site of the given parent view site. |
| * |
| * @param parentViewSite |
| * the parent view site |
| */ |
| public PageSite(final IViewSite parentViewSite) { |
| Assert.isNotNull(parentViewSite); |
| parentSite = parentViewSite; |
| subActionBars = new SubActionBars(parentViewSite.getActionBars(), this); |
| |
| // Initialize the service locator. |
| IServiceLocatorCreator slc = (IServiceLocatorCreator) parentSite |
| .getService(IServiceLocatorCreator.class); |
| this.serviceLocator = (ServiceLocator) slc.createServiceLocator( |
| parentViewSite, null, new IDisposable() { |
| public void dispose() { |
| final Control control = ((PartSite) parentViewSite) |
| .getPane().getControl(); |
| if (control != null && !control.isDisposed()) { |
| ((PartSite) parentViewSite).getPane().doHide(); |
| } |
| } |
| }); |
| e4Context = EclipseContextFactory.create( |
| ((ViewSite) parentSite).getContext(), UISchedulerStrategy |
| .getInstance()); |
| this.serviceLocator.setContext(e4Context); |
| initializeDefaultServices(); |
| } |
| |
| /** |
| * Initialize the slave services for this site. |
| */ |
| private void initializeDefaultServices() { |
| serviceLocator.registerService(IWorkbenchLocationService.class, |
| new WorkbenchLocationService(IServiceScopes.PAGESITE_SCOPE, |
| getWorkbenchWindow().getWorkbench(), |
| getWorkbenchWindow(), parentSite, null, this, 3)); |
| serviceLocator.registerService(IPageSiteHolder.class, |
| new IPageSiteHolder() { |
| public IPageSite getSite() { |
| return PageSite.this; |
| } |
| }); |
| } |
| |
| /** |
| * Disposes of the menu extender contributions. |
| */ |
| protected void dispose() { |
| if (menuExtenders != null) { |
| HashSet managers = new HashSet(menuExtenders.size()); |
| for (int i = 0; i < menuExtenders.size(); i++) { |
| PopupMenuExtender ext = (PopupMenuExtender) menuExtenders |
| .get(i); |
| managers.add(ext.getManager()); |
| ext.dispose(); |
| } |
| if (managers.size() > 0) { |
| for (Iterator iterator = managers.iterator(); iterator |
| .hasNext();) { |
| MenuManager mgr = (MenuManager) iterator.next(); |
| mgr.dispose(); |
| } |
| } |
| menuExtenders = null; |
| } |
| subActionBars.dispose(); |
| serviceLocator.dispose(); |
| } |
| |
| /** |
| * The PageSite implementation of this <code>IPageSite</code> method returns |
| * the <code>SubActionBars</code> for this site. |
| * |
| * @return the subactionbars for this site |
| */ |
| public IActionBars getActionBars() { |
| return subActionBars; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class) |
| */ |
| public Object getAdapter(Class adapter) { |
| return Platform.getAdapterManager().getAdapter(this, adapter); |
| } |
| |
| /* |
| * (non-Javadoc) Method declared on IPageSite. |
| */ |
| public IWorkbenchPage getPage() { |
| return parentSite.getPage(); |
| } |
| |
| /* |
| * (non-Javadoc) Method declared on IPageSite. |
| */ |
| public ISelectionProvider getSelectionProvider() { |
| return selectionProvider; |
| } |
| |
| public final Object getService(final Class key) { |
| return serviceLocator.getService(key); |
| } |
| |
| /* |
| * (non-Javadoc) Method declared on IPageSite. |
| */ |
| public Shell getShell() { |
| return parentSite.getShell(); |
| } |
| |
| /* |
| * (non-Javadoc) Method declared on IPageSite. |
| */ |
| public IWorkbenchWindow getWorkbenchWindow() { |
| return parentSite.getWorkbenchWindow(); |
| } |
| |
| public final boolean hasService(final Class key) { |
| return serviceLocator.hasService(key); |
| } |
| |
| /* |
| * (non-Javadoc) Method declared on IPageSite. |
| */ |
| public void registerContextMenu(String menuID, MenuManager menuMgr, |
| ISelectionProvider selProvider) { |
| if (menuExtenders == null) { |
| menuExtenders = new ArrayList(1); |
| } |
| PartSite.registerContextMenu(menuID, menuMgr, selProvider, false, |
| parentSite.getPart(), menuExtenders); |
| } |
| |
| /* |
| * (non-Javadoc) Method declared on IPageSite. |
| */ |
| public void setSelectionProvider(ISelectionProvider provider) { |
| selectionProvider = provider; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.services.INestable#activate() |
| * |
| * @since 3.2 |
| */ |
| public void activate() { |
| serviceLocator.activate(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.services.INestable#deactivate() |
| * |
| * @since 3.2 |
| */ |
| public void deactivate() { |
| serviceLocator.deactivate(); |
| } |
| } |