| /******************************************************************************* |
| * 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.internal.ui.mapping; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.mapping.ResourceMapping; |
| import org.eclipse.core.resources.mapping.ResourceMappingContext; |
| import org.eclipse.core.resources.mapping.ResourceTraversal; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.ITreeSelection; |
| import org.eclipse.jface.viewers.TreePath; |
| import org.eclipse.team.core.diff.IDiff; |
| import org.eclipse.team.core.mapping.provider.ResourceDiffTree; |
| import org.eclipse.team.internal.core.mapping.CompoundResourceTraversal; |
| import org.eclipse.team.internal.core.subscribers.DiffChangeSet; |
| import org.eclipse.team.internal.ui.Policy; |
| import org.eclipse.team.internal.ui.Utils; |
| import org.eclipse.team.ui.synchronize.ISynchronizePageConfiguration; |
| import org.eclipse.team.ui.synchronize.ModelParticipantAction; |
| |
| public abstract class ResourceModelParticipantAction extends ModelParticipantAction { |
| |
| public ResourceModelParticipantAction(String text, ISynchronizePageConfiguration configuration) { |
| super(text, configuration); |
| } |
| |
| /** |
| * Return the set of traversals that cover the resources in the current selection |
| * @param selection the selection |
| * @param monitor a progress monitor |
| * @return the traversals that cover the resources in the current selection |
| * @throws CoreException |
| */ |
| protected ResourceTraversal[] getResourceTraversals(IStructuredSelection selection, IProgressMonitor monitor) throws CoreException { |
| try { |
| monitor.beginTask(null, selection.size() * 100); |
| CompoundResourceTraversal traversal = new CompoundResourceTraversal(); |
| if (selection instanceof ITreeSelection) { |
| ITreeSelection ts = (ITreeSelection) selection; |
| TreePath[] paths = ts.getPaths(); |
| for (TreePath path : paths) { |
| ResourceTraversal[] traversals = getTraversals(path, Policy.subMonitorFor(monitor, 100)); |
| traversal.addTraversals(traversals); |
| } |
| } else { |
| for (Object element : selection) { |
| ResourceTraversal[] traversals = getTraversals(element, Policy.subMonitorFor(monitor, 100)); |
| traversal.addTraversals(traversals); |
| } |
| } |
| return traversal.asTraversals(); |
| } finally { |
| monitor.done(); |
| } |
| } |
| |
| /** |
| * Return a traversal that includes the resources that are visible |
| * in the sync view. |
| * @param element the selected element |
| * @return a set of traversals that cover the visible resources. |
| */ |
| private ResourceTraversal[] getTraversals(Object element, IProgressMonitor monitor) throws CoreException { |
| ResourceMapping mapping = Utils.getResourceMapping(element); |
| if (mapping != null) |
| return mapping.getTraversals(getResourceMappingContext(), monitor); |
| return null; |
| } |
| |
| protected ResourceMappingContext getResourceMappingContext() { |
| return new SynchronizationResourceMappingContext(getSynchronizationContext()); |
| } |
| |
| protected ResourceModelTraversalCalculator getTraversalCalculator() { |
| return ResourceModelTraversalCalculator.getTraversalCalculator(getConfiguration()); |
| } |
| |
| /** |
| * Return a traversal that includes the resources that are visible |
| * in the sync view. |
| * @param element the selected element |
| * @return a set of traversals that cover the visible resources. |
| */ |
| private ResourceTraversal[] getTraversals(TreePath path, IProgressMonitor monitor) throws CoreException { |
| if (path.getSegmentCount() > 0) { |
| DiffChangeSet set = getChangeSet(path); |
| Object o = path.getLastSegment(); |
| if (set != null) { |
| if (path.getSegmentCount() == 1) { |
| return new ResourceTraversal[] { new ResourceTraversal(set.getResources(), IResource.DEPTH_ZERO, IResource.NONE) }; |
| } |
| if (o instanceof IResource) { |
| IResource resource = (IResource) o; |
| int depth = getTraversalCalculator().getLayoutDepth(resource, path); |
| IDiff[] diffs = set.getDiffTree().getDiffs(resource, depth); |
| Set<IResource> resources = new HashSet<>(); |
| for (IDiff diff : diffs) { |
| IResource r = ResourceDiffTree.getResourceFor(diff); |
| if (r != null) |
| resources.add(r); |
| } |
| return new ResourceTraversal[] { new ResourceTraversal(resources.toArray(new IResource[resources.size()]), IResource.DEPTH_ZERO, IResource.NONE) }; |
| } |
| } |
| if (getTraversalCalculator().isResourcePath(path)) { |
| IResource resource = (IResource) o; |
| return getTraversalCalculator().getTraversals(resource, path); |
| } |
| return getTraversals(o, monitor); |
| } |
| return null; |
| } |
| |
| private DiffChangeSet getChangeSet(TreePath path) { |
| Object o = path.getFirstSegment(); |
| if (o instanceof DiffChangeSet) { |
| return (DiffChangeSet) o; |
| } |
| return null; |
| } |
| |
| } |