/******************************************************************************
 * Copyright (c) 2008 Versant 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:
 *     Remy Chi Jian Suen (Versant Corporation) - initial API and implementation
 ******************************************************************************/
package org.eclipse.team.internal.ecf.core.variants;

import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.synchronize.SyncInfo;
import org.eclipse.team.core.variants.*;
import org.eclipse.team.internal.ecf.core.RemoteShare;
import org.eclipse.team.internal.ecf.core.RemoteSyncInfo;

public class RemoteResourceVariantTreeSubscriber extends ResourceVariantTreeSubscriber {

	private RemoteResourceVariantTree remoteTree;

	private IResource[] resources;

	private RemoteResourceVariantComparator comparator = new RemoteResourceVariantComparator();

	public RemoteResourceVariantTreeSubscriber(RemoteShare share, ID ownId, ID remoteId) {
		remoteTree = new RemoteResourceVariantTree(share, ownId, remoteId);
	}

	public void setResources(IResource[] resources) {
		this.resources = resources;

		remoteTree.setResources(resources);
	}

	protected IResourceVariantTree getBaseTree() {
		// no base
		return null;
	}

	protected IResourceVariantTree getRemoteTree() {
		return remoteTree;
	}

	public String getName() {
		//FIXME: return a proper name :)
		return "getName();"; //$NON-NLS-1$
	}

	public IResourceVariantComparator getResourceComparator() {
		return comparator;
	}

	public SyncInfo getSyncInfo(IResource local, IProgressMonitor monitor) throws TeamException {
		IResourceVariant remote = remoteTree.fetchVariant(local, IResource.DEPTH_ZERO, monitor);
		return getSyncInfo(local, null, remote);
	}

	protected SyncInfo getSyncInfo(IResource local, IResourceVariant base, IResourceVariant remote) throws TeamException {
		SyncInfo info = new RemoteSyncInfo(local, remote, comparator);
		info.init();
		return info;
	}

	public boolean isSupervised(IResource resource) {
		return true;
	}

	public IResource[] roots() {
		return resources == null ? new IResource[0] : resources;
	}

}