| /******************************************************************************* |
| * Copyright (c) 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.team.internal.ui.mapping; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.resources.mapping.RemoteResourceMappingContext; |
| import org.eclipse.core.resources.mapping.ResourceTraversal; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.team.core.diff.IDiff; |
| import org.eclipse.team.core.diff.IThreeWayDiff; |
| import org.eclipse.team.core.mapping.IResourceDiff; |
| import org.eclipse.team.core.mapping.ISynchronizationContext; |
| import org.eclipse.team.ui.mapping.SynchronizationContentProvider; |
| |
| /** |
| * A remote resource mapping context that wraps a synchronization context. |
| * This is used by the {@link SynchronizationContentProvider} to get the traversals |
| * for resource mappings. Since it is used to provide content, it avoids long running |
| * operations if possible. |
| * |
| * @since 3.2 |
| */ |
| public final class SynchronizationResourceMappingContext extends |
| RemoteResourceMappingContext { |
| |
| private final ISynchronizationContext context; |
| |
| /** |
| * Create a resource mapping context for the given synchronization context |
| * @param context the synchronization context |
| */ |
| public SynchronizationResourceMappingContext(ISynchronizationContext context) { |
| this.context = context; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.resources.mapping.RemoteResourceMappingContext#isThreeWay() |
| */ |
| @Override |
| public boolean isThreeWay() { |
| return context.getType() == ISynchronizationContext.THREE_WAY; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.resources.mapping.RemoteResourceMappingContext#hasRemoteChange(org.eclipse.core.resources.IResource, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| @Override |
| public boolean hasRemoteChange(IResource resource, IProgressMonitor monitor) throws CoreException { |
| IDiff diff = context.getDiffTree().getDiff(resource); |
| if (diff instanceof IThreeWayDiff) { |
| IThreeWayDiff twd = (IThreeWayDiff) diff; |
| IDiff remote = twd.getRemoteChange(); |
| return remote != null && remote.getKind() != IDiff.NO_CHANGE; |
| } |
| return diff != null && diff.getKind() != IDiff.NO_CHANGE; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.resources.mapping.RemoteResourceMappingContext#hasLocalChange(org.eclipse.core.resources.IResource, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| @Override |
| public boolean hasLocalChange(IResource resource, IProgressMonitor monitor) throws CoreException { |
| IDiff diff = context.getDiffTree().getDiff(resource); |
| if (diff instanceof IThreeWayDiff) { |
| IThreeWayDiff twd = (IThreeWayDiff) diff; |
| IDiff local = twd.getLocalChange(); |
| return local != null && local.getKind() != IDiff.NO_CHANGE; |
| } |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.resources.mapping.RemoteResourceMappingContext#fetchRemoteContents(org.eclipse.core.resources.IFile, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| @Override |
| public IStorage fetchRemoteContents(IFile file, IProgressMonitor monitor) throws CoreException { |
| IDiff diff = context.getDiffTree().getDiff(file); |
| if (diff instanceof IThreeWayDiff) { |
| IThreeWayDiff twd = (IThreeWayDiff) diff; |
| IDiff remote = twd.getRemoteChange(); |
| if (remote instanceof IResourceDiff) { |
| IResourceDiff rd = (IResourceDiff) remote; |
| return rd.getAfterState().getStorage(monitor); |
| } |
| } else if (diff instanceof IResourceDiff) { |
| IResourceDiff rd = (IResourceDiff) diff; |
| return rd.getAfterState().getStorage(monitor); |
| } |
| return file; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.resources.mapping.RemoteResourceMappingContext#fetchBaseContents(org.eclipse.core.resources.IFile, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| @Override |
| public IStorage fetchBaseContents(IFile file, IProgressMonitor monitor) throws CoreException { |
| IDiff diff = context.getDiffTree().getDiff(file); |
| if (diff instanceof IThreeWayDiff) { |
| IThreeWayDiff twd = (IThreeWayDiff) diff; |
| IDiff remote = twd.getRemoteChange(); |
| if (remote instanceof IResourceDiff) { |
| IResourceDiff rd = (IResourceDiff) remote; |
| return rd.getBeforeState().getStorage(monitor); |
| } |
| IDiff local = twd.getLocalChange(); |
| if (local instanceof IResourceDiff) { |
| IResourceDiff rd = (IResourceDiff) local; |
| return rd.getBeforeState().getStorage(monitor); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public IResource[] fetchMembers(IContainer container, IProgressMonitor monitor) throws CoreException { |
| Set result = new HashSet(); |
| IResource[] children = container.members(); |
| for (int i = 0; i < children.length; i++) { |
| IResource resource = children[i]; |
| result.add(resource); |
| } |
| IPath[] childPaths = context.getDiffTree().getChildren(container.getFullPath()); |
| for (int i = 0; i < childPaths.length; i++) { |
| IPath path = childPaths[i]; |
| IDiff delta = context.getDiffTree().getDiff(path); |
| IResource child; |
| if (delta == null) { |
| // the path has descendent deltas so it must be a folder |
| if (path.segmentCount() == 1) { |
| child = ((IWorkspaceRoot)container).getProject(path.lastSegment()); |
| } else { |
| child = container.getFolder(new Path(path.lastSegment())); |
| } |
| } else { |
| child = context.getDiffTree().getResource(delta); |
| } |
| result.add(child); |
| } |
| return (IResource[]) result.toArray(new IResource[result.size()]); |
| } |
| |
| @Override |
| public void refresh(ResourceTraversal[] traversals, int flags, IProgressMonitor monitor) throws CoreException { |
| //context.refresh(traversals, flags, monitor); |
| } |
| |
| public ISynchronizationContext getSynchronizationContext() { |
| return context; |
| } |
| |
| @Override |
| public IProject[] getProjects() { |
| Set projects = new HashSet(); |
| IResource[] roots = context.getScope().getRoots(); |
| for (int i = 0; i < roots.length; i++) { |
| IResource resource = roots[i]; |
| projects.add(resource.getProject()); |
| } |
| return (IProject[]) projects.toArray(new IProject[projects.size()]); |
| } |
| |
| } |