/*******************************************************************************
 * Copyright (c) 2005-2008 Polarion Software.
 * 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:
 *    Igor Burilo - Initial API and implementation
 *******************************************************************************/

package org.eclipse.team.svn.ui.synchronize.action;

import org.eclipse.compare.structuremergeviewer.IDiffElement;
import org.eclipse.core.resources.IResource;
import org.eclipse.team.core.synchronize.FastSyncInfoFilter;
import org.eclipse.team.core.synchronize.SyncInfo;
import org.eclipse.team.svn.core.IStateFilter;
import org.eclipse.team.svn.core.connector.SVNRevision;
import org.eclipse.team.svn.core.operation.IActionOperation;
import org.eclipse.team.svn.core.resource.ILocalResource;
import org.eclipse.team.svn.core.resource.IRepositoryResource;
import org.eclipse.team.svn.core.svnstorage.SVNRemoteStorage;
import org.eclipse.team.svn.core.synchronize.AbstractSVNSyncInfo;
import org.eclipse.team.svn.core.utility.FileUtility;
import org.eclipse.team.svn.ui.action.remote.management.SelectResourceRevisionAction;
import org.eclipse.team.ui.synchronize.ISynchronizePageConfiguration;

/**
 * Add revision link action for Synchronize View
 * 
 * @author Igor Burilo
 */
public class AddRevisionLinkAction extends AbstractSynchronizeModelAction {
	
	public AddRevisionLinkAction(String text, ISynchronizePageConfiguration configuration) {
		super(text, configuration);
	}

	protected boolean needsToSaveDirtyEditors() {
		return false;
	}
		
	protected FastSyncInfoFilter getSyncInfoFilter() {
		return new FastSyncInfoFilter() {
			public boolean select(SyncInfo info) {
				return IStateFilter.SF_ONREPOSITORY.accept(((AbstractSVNSyncInfo)info).getLocalResource());
			}
		};
	}
	
	protected IActionOperation getOperation(ISynchronizePageConfiguration configuration, IDiffElement[] elements) {	
		IResource[] selectedResources = FileUtility.getResourcesRecursive(this.getAllSelectedResources(), IStateFilter.SF_ONREPOSITORY, IResource.DEPTH_ZERO);		
		IRepositoryResource[] resources = new IRepositoryResource[selectedResources.length];
		for (int i = 0; i < selectedResources.length; i ++) {
			resources[i] = SVNRemoteStorage.instance().asRepositoryResource(selectedResources[i]);
			//create revision link for revision from working copy even if there are incoming changes
			ILocalResource local = SVNRemoteStorage.instance().asLocalResource(selectedResources[i]);			
			resources[i].setSelectedRevision(SVNRevision.fromNumber(local.getRevision()));			
		}		
		return SelectResourceRevisionAction.getAddRevisionLinkOperation(resources, this.getConfiguration().getSite().getShell());
	}

}