| /******************************************************************************* |
| * Copyright (c) 2006, 2017 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.ui.synchronize; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.team.core.subscribers.ISubscriberChangeEvent; |
| import org.eclipse.team.ui.mapping.ITeamStateChangeEvent; |
| |
| /** |
| * An implementation of {@link ITeamStateChangeEvent}. |
| * <p> |
| * This class is not intended to be subclassed by clients. |
| * |
| * @since 3.2 |
| */ |
| public class TeamStateChangeEvent implements ITeamStateChangeEvent { |
| |
| private Set<IResource> changes = new HashSet<>(); |
| private Set<IResource> addedRoots = new HashSet<>(); |
| private Set<IResource> removedRoots = new HashSet<>(); |
| |
| public TeamStateChangeEvent() { |
| super(); |
| } |
| |
| /** |
| * Convenience constructor for creating an event from a subscriber change. |
| * @param deltas the set of subscriber changes |
| */ |
| public TeamStateChangeEvent(ISubscriberChangeEvent[] deltas) { |
| for (ISubscriberChangeEvent event : deltas) { |
| IResource resource = event.getResource(); |
| if ((event.getFlags() & ISubscriberChangeEvent.ROOT_ADDED) != 0) |
| rootAdded(resource); |
| if ((event.getFlags() & ISubscriberChangeEvent.ROOT_REMOVED) != 0) |
| rootRemoved(resource); |
| if ((event.getFlags() & ISubscriberChangeEvent.SYNC_CHANGED) != 0) |
| changed(resource); |
| // Indicate that the ancestors may have changed as well |
| while (resource.getType() != IResource.PROJECT) { |
| resource = resource.getParent(); |
| changed(resource); |
| } |
| } |
| } |
| |
| /** |
| * The given resource has changed state. |
| * @param resource the resource whose state has changed |
| */ |
| public void changed(IResource resource) { |
| changes.add(resource); |
| } |
| |
| /** |
| * The given root resource has been removed. |
| * @param resource the resource |
| */ |
| public void rootRemoved(IResource resource) { |
| removedRoots.add(resource); |
| } |
| |
| /** |
| * The given root resource has been added. |
| * @param resource the resource |
| */ |
| public void rootAdded(IResource resource) { |
| addedRoots.add(resource); |
| } |
| |
| @Override |
| public IResource[] getAddedRoots() { |
| return addedRoots.toArray(new IResource[addedRoots.size()]); |
| } |
| |
| @Override |
| public IResource[] getRemovedRoots() { |
| return removedRoots.toArray(new IResource[removedRoots.size()]); |
| } |
| |
| @Override |
| public IResource[] getChangedResources() { |
| return changes.toArray(new IResource[changes.size()]); |
| } |
| |
| @Override |
| public boolean hasChange(IResource resource) { |
| if (changes.contains(resource)) |
| return true; |
| if (isChildOfChangedRoot(resource)) { |
| return true; |
| } |
| return false; |
| } |
| |
| private boolean isChildOfChangedRoot(IResource resource) { |
| if (resource == null || resource.getType() == IResource.ROOT) |
| return false; |
| if (addedRoots.contains(resource) || removedRoots.contains(resource)) |
| return true; |
| return isChildOfChangedRoot(resource.getParent()); |
| } |
| |
| } |