| /****************************************************************************** |
| * Copyright (c) 2004, 2006 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.gmf.runtime.emf.ui.properties.providers; |
| |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; |
| import org.eclipse.emf.edit.provider.IItemPropertySource; |
| import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| import org.eclipse.emf.transaction.util.TransactionUtil; |
| import org.eclipse.gmf.runtime.common.core.service.AbstractProvider; |
| import org.eclipse.gmf.runtime.common.core.service.IOperation; |
| import org.eclipse.gmf.runtime.common.ui.services.properties.GetPropertySourceOperation; |
| import org.eclipse.gmf.runtime.common.ui.services.properties.ICompositePropertySource; |
| import org.eclipse.gmf.runtime.common.ui.services.properties.IPropertiesProvider; |
| import org.eclipse.gmf.runtime.emf.ui.properties.descriptors.EMFCompositePropertySource; |
| import org.eclipse.ui.views.properties.IPropertySourceProvider; |
| |
| /** |
| * Provider that provides clients with generic EMF propeties. |
| * |
| * @author nbalaba |
| */ |
| public class GenericEMFPropertiesProvider |
| extends AbstractProvider |
| implements IPropertiesProvider { |
| |
| /** |
| * |
| */ |
| public GenericEMFPropertiesProvider() { |
| super(); |
| } |
| |
| /** |
| * Adapter to the EMF layer - the factory that will return IItelPropertySource adapters |
| * @return - the EMF based composite adapter factory that will return IItelPropertySource adapters |
| */ |
| protected AdapterFactory getAdapterFactory(Object object) { |
| TransactionalEditingDomain editingDomain = TransactionUtil |
| .getEditingDomain(object); |
| |
| if (editingDomain instanceof AdapterFactoryEditingDomain) { |
| return ((AdapterFactoryEditingDomain) editingDomain) |
| .getAdapterFactory(); |
| } |
| return null; |
| } |
| |
| /** |
| * This implements {@link IPropertySourceProvider}.getPropertySource to |
| * forward the call to an object that implements |
| * {@link org.eclipse.emf.edit.provider.IItemPropertySource}. |
| */ |
| public ICompositePropertySource getPropertySource(Object object) { |
| |
| if (object instanceof ICompositePropertySource) { |
| return (ICompositePropertySource) object; |
| } else { |
| AdapterFactory adapterFactory = getAdapterFactory(object); |
| if (adapterFactory == null) { |
| return null; |
| } |
| IItemPropertySource itemPropertySource = (IItemPropertySource) (adapterFactory |
| .adapt(object, IItemPropertySource.class)); |
| return itemPropertySource != null ? createPropertySource(object, |
| itemPropertySource) |
| : null; |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.gmf.runtime.common.core.service.IProvider#provides(org.eclipse.gmf.runtime.common.core.service.IOperation) |
| */ |
| public boolean provides(IOperation operation) { |
| |
| return operation instanceof GetPropertySourceOperation |
| && (((GetPropertySourceOperation) operation).getPropertySource() == null); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * Instantiates and returns property source instance appropriate for this provider |
| * |
| */ |
| protected ICompositePropertySource createPropertySource(Object object, |
| IItemPropertySource itemPropertySource) { |
| |
| return new EMFCompositePropertySource(object, itemPropertySource, "EMF"); //$NON-NLS-1$ |
| } |
| |
| } |