| /******************************************************************************* |
| * 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.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IResourceChangeEvent; |
| import org.eclipse.core.resources.IResourceChangeListener; |
| import org.eclipse.core.resources.IResourceDelta; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.resources.mapping.ModelProvider; |
| import org.eclipse.core.resources.mapping.ResourceMapping; |
| import org.eclipse.core.resources.mapping.ResourceMappingContext; |
| import org.eclipse.core.runtime.Adapters; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.team.core.mapping.ISynchronizationScope; |
| import org.eclipse.team.core.mapping.ISynchronizationScopeParticipant; |
| import org.eclipse.team.internal.ui.TeamUIPlugin; |
| import org.eclipse.ui.IWorkingSet; |
| import org.eclipse.ui.IWorkingSetManager; |
| import org.eclipse.ui.PlatformUI; |
| |
| public class ResourceModelScopeParticipant implements |
| ISynchronizationScopeParticipant, IResourceChangeListener, IPropertyChangeListener { |
| private final ModelProvider provider; |
| private final ISynchronizationScope scope; |
| |
| public ResourceModelScopeParticipant(ModelProvider provider, ISynchronizationScope scope) { |
| this.provider = provider; |
| this.scope = scope; |
| if (hasWorkspaceMapping()) { |
| ResourcesPlugin.getWorkspace().addResourceChangeListener(this, IResourceChangeEvent.POST_CHANGE); |
| } |
| if (hasWorkingSetMappings()) { |
| PlatformUI.getWorkbench().getWorkingSetManager().addPropertyChangeListener(this); |
| } |
| } |
| |
| private boolean hasWorkingSetMappings() { |
| ResourceMapping[] mappings = scope.getMappings(provider.getDescriptor().getId()); |
| for (int i = 0; i < mappings.length; i++) { |
| ResourceMapping mapping = mappings[i]; |
| Object modelObject = mapping.getModelObject(); |
| if (modelObject instanceof IWorkingSet) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private boolean hasWorkspaceMapping() { |
| ResourceMapping[] mappings = scope.getMappings(provider.getDescriptor().getId()); |
| for (int i = 0; i < mappings.length; i++) { |
| ResourceMapping mapping = mappings[i]; |
| Object modelObject = mapping.getModelObject(); |
| if (modelObject instanceof IResource) { |
| IResource resource = (IResource) modelObject; |
| if (resource.getType() == IResource.ROOT) { |
| return true; |
| } |
| } else if (modelObject instanceof ModelProvider) { |
| ModelProvider provider = (ModelProvider) modelObject; |
| if (provider.getId().equals(ModelProvider.RESOURCE_MODEL_PROVIDER_ID)) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public ResourceMapping[] handleContextChange( |
| ISynchronizationScope scope, IResource[] resources, |
| IProject[] projects) { |
| Set<ResourceMapping> result = new HashSet<>(); |
| for (int i = 0; i < projects.length; i++) { |
| IProject project = projects[i]; |
| collectMappings(project, result); |
| } |
| return result.toArray(new ResourceMapping[result.size()]); |
| } |
| |
| private void collectMappings(IProject project, Set<ResourceMapping> result) { |
| ResourceMapping[] mappings = scope.getMappings(provider.getDescriptor().getId()); |
| for (int i = 0; i < mappings.length; i++) { |
| ResourceMapping mapping = mappings[i]; |
| boolean refresh = false; |
| Object modelObject = mapping.getModelObject(); |
| if (modelObject instanceof IWorkingSet) { |
| IWorkingSet set = (IWorkingSet)modelObject; |
| IAdaptable[] elements = set.getElements(); |
| for (int j = 0; j < elements.length; j++) { |
| IAdaptable adaptable = elements[j]; |
| ResourceMapping m = Adapters.adapt(adaptable, ResourceMapping.class); |
| if (m != null) { |
| IProject[] p = m.getProjects(); |
| for (int k = 0; k < p.length; k++) { |
| IProject mp = p[k]; |
| if (mp.equals(project)) { |
| refresh = true; |
| break; |
| } |
| } |
| } |
| if (refresh) |
| break; |
| } |
| } else if (modelObject instanceof IResource) { |
| IResource resource = (IResource) modelObject; |
| if (resource.getType() == IResource.ROOT) { |
| refresh = true; |
| } |
| } else if (modelObject instanceof ModelProvider) { |
| ModelProvider mp = (ModelProvider) modelObject; |
| try { |
| ResourceMapping[] list = mp.getMappings(project, ResourceMappingContext.LOCAL_CONTEXT, null); |
| if (list.length > 0) { |
| refresh = true; |
| } |
| } catch (CoreException e) { |
| TeamUIPlugin.log(e); |
| } |
| } |
| if (refresh) { |
| result.add(mapping); |
| } |
| } |
| } |
| |
| @Override |
| public void dispose() { |
| ResourcesPlugin.getWorkspace().removeResourceChangeListener(this); |
| if (PlatformUI.isWorkbenchRunning()) |
| PlatformUI.getWorkbench().getWorkingSetManager().removePropertyChangeListener(this); |
| } |
| |
| @Override |
| public void resourceChanged(IResourceChangeEvent event) { |
| // Only interested in project additions and removals |
| Set<ResourceMapping> result = new HashSet<>(); |
| IResourceDelta[] children = event.getDelta().getAffectedChildren(); |
| for (int i = 0; i < children.length; i++) { |
| IResourceDelta delta = children[i]; |
| IResource resource = delta.getResource(); |
| if (resource.getType() == IResource.PROJECT |
| && ((delta.getKind() & (IResourceDelta.ADDED | IResourceDelta.REMOVED)) != 0 |
| || (delta.getFlags() & IResourceDelta.OPEN) != 0)) { |
| if (isInContext(resource)) |
| collectMappings((IProject)resource, result); |
| } |
| } |
| if (!result.isEmpty()) |
| fireChange(result.toArray(new ResourceMapping[result.size()])); |
| |
| |
| } |
| |
| private boolean isInContext(IResource resource) { |
| IProject[] projects = scope.getProjects(); |
| for (int i = 0; i < projects.length; i++) { |
| IProject project = projects[i]; |
| if (project.equals(resource.getProject())) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private void fireChange(ResourceMapping[] mappings) { |
| scope.refresh(mappings); |
| } |
| |
| @Override |
| public void propertyChange(PropertyChangeEvent event) { |
| if (event.getProperty() == IWorkingSetManager.CHANGE_WORKING_SET_CONTENT_CHANGE) { |
| IWorkingSet newSet = (IWorkingSet) event.getNewValue(); |
| ResourceMapping[] mappings = scope.getMappings(provider.getDescriptor().getId()); |
| for (int i = 0; i < mappings.length; i++) { |
| ResourceMapping mapping = mappings[i]; |
| if (newSet == mapping.getModelObject()) { |
| fireChange(new ResourceMapping[] { mapping }); |
| } |
| } |
| } else if(event.getProperty() == IWorkingSetManager.CHANGE_WORKING_SET_NAME_CHANGE) { |
| // TODO: Need to update the participant description somehow |
| //firePropertyChangedEvent(new PropertyChangeEvent(this, NAME, null, event.getNewValue())); |
| } |
| } |
| |
| } |