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/*******************************************************************************
* Copyright (c) 2009, 2010 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.synchronize.patch;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.compare.internal.patch.HunkDiffNode;
import org.eclipse.compare.internal.patch.PatchDiffNode;
import org.eclipse.compare.structuremergeviewer.IDiffElement;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.*;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.team.core.mapping.ISynchronizationContext;
import org.eclipse.team.core.mapping.ISynchronizationScope;
import org.eclipse.team.internal.ui.TeamUIPlugin;
import org.eclipse.team.internal.ui.mapping.SynchronizationResourceMappingContext;
import org.eclipse.team.ui.mapping.SynchronizationContentProvider;
import org.eclipse.ui.model.BaseWorkbenchContentProvider;
import org.eclipse.ui.navigator.ICommonContentExtensionSite;
public class PatchSyncContentProvider extends SynchronizationContentProvider {
private BaseWorkbenchContentProvider delegate;
@Override
public void init(ICommonContentExtensionSite site) {
super.init(site);
delegate = new BaseWorkbenchContentProvider();
}
@Override
public void dispose() {
super.dispose();
if (delegate != null)
delegate.dispose();
}
@Override
protected ITreeContentProvider getDelegateContentProvider() {
return delegate;
}
@Override
protected String getModelProviderId() {
return PatchModelProvider.ID;
}
@Override
protected Object getModelRoot() {
if (getContext() instanceof ApplyPatchSubscriberMergeContext) {
ApplyPatchSubscriberMergeContext context = (ApplyPatchSubscriberMergeContext) getContext();
return PatchModelProvider.getPatchWorkspace(context.getSubscriber());
}
// TODO: assertion?
return null;
}
/*
* Copied from
* org.eclipse.team.examples.model.ui.mapping.ModelSyncContentProvider
* .getTraversals(ISynchronizationContext, Object)
*/
@Override
protected ResourceTraversal[] getTraversals(
ISynchronizationContext context, Object object) {
if (object instanceof IDiffElement) {
ResourceMapping mapping = PatchModelProvider.getResourceMapping((IDiffElement) object);
ResourceMappingContext rmc = new SynchronizationResourceMappingContext(
context);
try {
return mapping.getTraversals(rmc, new NullProgressMonitor());
} catch (CoreException e) {
TeamUIPlugin.log(e);
}
}
return new ResourceTraversal[0];
}
@Override
protected boolean isInScope(ISynchronizationScope scope, Object parent,
Object element) {
if (element instanceof PatchDiffNode) {
final IResource resource = PatchModelProvider
.getResource((PatchDiffNode) element);
if (resource == null)
return false;
if (scope.contains(resource))
return true;
}
return false;
}
@Override
public boolean hasChildren(final Object element) {
if (element instanceof HunkDiffNode)
return false;
return super.hasChildren(element);
}
@Override
public Object[] getChildren(Object parent) {
Object[] children = super.getChildren(parent);
List result = new ArrayList();
for (int i = 0; i < children.length; i++) {
if (children[i] instanceof PatchDiffNode) {
PatchDiffNode node = (PatchDiffNode) children[i];
if (node.isEnabled())
result.add(node); // hide disabled nodes
}
}
return result.toArray();
}
}
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