/*******************************************************************************
* Copyright (c) 2008, 2015 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
* Lars Vogel <Lars.Vogel@gmail.com> - Bug 440810
******************************************************************************/
package org.eclipse.ui.internal.commands;
import org.eclipse.e4.ui.model.application.ui.MContext;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPartSite;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.commands.ICommandService;
import org.eclipse.ui.internal.services.IWorkbenchLocationService;
import org.eclipse.ui.services.AbstractServiceFactory;
import org.eclipse.ui.services.IServiceLocator;
import org.eclipse.ui.services.IServiceScopes;
/**
* @since 3.4
*
*/
public class CommandServiceFactory extends AbstractServiceFactory {
@Override
public Object create(Class serviceInterface, IServiceLocator parentLocator,
IServiceLocator locator) {
if (!ICommandService.class.equals(serviceInterface)) {
return null;
}
IWorkbenchLocationService wls = locator
.getService(IWorkbenchLocationService.class);
final IWorkbench wb = wls.getWorkbench();
if (wb == null) {
return null;
}
Object parent = parentLocator.getService(serviceInterface);
if (parent == null) {
// we are registering the global services in the Workbench
return null;
}
final IWorkbenchWindow window = wls.getWorkbenchWindow();
final IWorkbenchPartSite site = wls.getPartSite();
if (site == null) {
return new SlaveCommandService((ICommandService) parent,
IServiceScopes.WINDOW_SCOPE, window);
}
if (parent instanceof SlaveCommandService) {
IServiceLocator pageSite = wls.getPageSite();
if (pageSite != null) {
MContext context = pageSite.getService(MContext.class);
if (context == null) {
return new SlaveCommandService((ICommandService) parent,
IServiceScopes.PAGESITE_SCOPE, pageSite);
}
return new SlaveCommandService((ICommandService) parent,
IServiceScopes.PAGESITE_SCOPE, pageSite, context.getContext());
}
IServiceLocator mpepSite = wls.getMultiPageEditorSite();
if (mpepSite != null) {
MContext context = mpepSite.getService(MContext.class);
if (context == null) {
return new SlaveCommandService((ICommandService) parent,
IServiceScopes.MPESITE_SCOPE, mpepSite);
}
return new SlaveCommandService((ICommandService) parent,
IServiceScopes.MPESITE_SCOPE, mpepSite, context.getContext());
}
}
return new SlaveCommandService((ICommandService) parent,
IServiceScopes.PARTSITE_SCOPE, site);
}
}