| /******************************************************************************* |
| * Copyright (c) 2005, 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 |
| * Andrey Loskutov <loskutov@gmx.de> - generified interface, bug 461762 |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.ide.model; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.mapping.ResourceMapping; |
| import org.eclipse.core.runtime.Adapters; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IAdapterFactory; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.ui.IContributorResourceAdapter; |
| import org.eclipse.ui.IWorkingSet; |
| import org.eclipse.ui.ide.IContributorResourceAdapter2; |
| import org.eclipse.ui.model.IWorkbenchAdapter; |
| |
| /** |
| * Adapter factory which provides a ResourceMapping for a working set |
| */ |
| public class WorkingSetAdapterFactory implements IAdapterFactory { |
| |
| /* |
| * Adapter for converting a working set to a resource mapping for use by |
| * object contributions. |
| */ |
| class ContributorResourceAdapter implements IContributorResourceAdapter2 { |
| |
| @Override |
| public ResourceMapping getAdaptedResourceMapping(IAdaptable adaptable) { |
| if (adaptable instanceof IWorkingSet) { |
| IWorkingSet workingSet = (IWorkingSet) adaptable; |
| for (IAdaptable currentAdaptable : workingSet.getElements()) { |
| ResourceMapping mapping = getContributedResourceMapping(currentAdaptable); |
| if (mapping == null) { |
| mapping = getResourceMapping(currentAdaptable); |
| } |
| if (mapping != null) { |
| return new WorkingSetResourceMapping(workingSet); |
| } |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public IResource getAdaptedResource(IAdaptable adaptable) { |
| // Working sets don't adapt to IResource |
| return null; |
| } |
| |
| } |
| |
| class WorkbenchAdapter implements IWorkbenchAdapter { |
| |
| @Override |
| public Object[] getChildren(Object o) { |
| if (o instanceof IWorkingSet) { |
| IWorkingSet set = (IWorkingSet) o; |
| return set.getElements(); |
| } |
| return null; |
| } |
| |
| @Override |
| public ImageDescriptor getImageDescriptor(Object o) { |
| if (o instanceof IWorkingSet) { |
| IWorkingSet set = (IWorkingSet) o; |
| return set.getImageDescriptor(); |
| } |
| return null; |
| } |
| |
| @Override |
| public String getLabel(Object o) { |
| if (o instanceof IWorkingSet) { |
| IWorkingSet set = (IWorkingSet) o; |
| return set.getLabel(); |
| } |
| return null; |
| } |
| |
| @Override |
| public Object getParent(Object o) { |
| return null; |
| } |
| |
| } |
| |
| private IContributorResourceAdapter2 contributorResourceAdapter = new ContributorResourceAdapter(); |
| |
| private IWorkbenchAdapter workbenchAdapter = new WorkbenchAdapter(); |
| |
| @Override |
| public <T> T getAdapter(Object adaptableObject, Class<T> adapterType) { |
| if (adaptableObject instanceof IWorkingSet) { |
| if (adapterType == IContributorResourceAdapter.class) { |
| return adapterType.cast(contributorResourceAdapter); |
| } |
| if (adapterType == IWorkbenchAdapter.class) { |
| return adapterType.cast(workbenchAdapter); |
| } |
| if (adapterType == ResourceMapping.class) { |
| IWorkingSet workingSet = (IWorkingSet) adaptableObject; |
| for (IAdaptable adaptable : workingSet.getElements()) { |
| ResourceMapping mapping = getResourceMapping(adaptable); |
| if (mapping != null) { |
| return adapterType.cast(new WorkingSetResourceMapping(workingSet)); |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Class<?>[] getAdapterList() { |
| return new Class[] { IContributorResourceAdapter2.class, IWorkbenchAdapter.class, ResourceMapping.class }; |
| } |
| |
| static ResourceMapping getResourceMapping(Object o) { |
| // First, ask the object directly for a resource mapping |
| ResourceMapping mapping = Adapters.adapt(o, ResourceMapping.class); |
| if (mapping != null) { |
| return mapping; |
| } |
| // If this fails, ask for a resource and convert to a resource mapping |
| IResource resource = Adapters.adapt(o, IResource.class); |
| if (resource != null) { |
| mapping = Adapters.adapt(resource, ResourceMapping.class); |
| if (mapping != null) { |
| return mapping; |
| } |
| } |
| return null; |
| } |
| |
| static ResourceMapping getContributedResourceMapping(IAdaptable element) { |
| IContributorResourceAdapter resourceAdapter = Adapters.adapt(element, IContributorResourceAdapter.class); |
| if (resourceAdapter != null) { |
| if (resourceAdapter instanceof IContributorResourceAdapter2) { |
| // First, use the mapping contributor adapter to get the mapping |
| IContributorResourceAdapter2 mappingAdapter = (IContributorResourceAdapter2) resourceAdapter; |
| ResourceMapping mapping = mappingAdapter.getAdaptedResourceMapping(element); |
| if (mapping != null) { |
| return mapping; |
| } |
| } |
| // Next, use the resource adapter to get a resource and then get |
| // the mapping for that resource |
| IResource resource = resourceAdapter.getAdaptedResource(element); |
| if (resource != null) { |
| ResourceMapping mapping = Adapters.adapt(resource, ResourceMapping.class); |
| if (mapping != null) { |
| return mapping; |
| } |
| } |
| } |
| return null; |
| } |
| |
| } |