/*******************************************************************************
 * 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:
 *    Alexei Goncharov (Polarion Software) - 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.operation.IActionOperation;
import org.eclipse.team.svn.core.resource.ILocalResource;
import org.eclipse.team.svn.core.synchronize.AbstractSVNSyncInfo;
import org.eclipse.team.svn.core.utility.FileUtility;
import org.eclipse.team.svn.ui.action.local.CreatePatchAction;
import org.eclipse.team.ui.synchronize.ISynchronizePageConfiguration;

/**
 * Create patch file action for Synchronize View
 * 
 * @author Alexei Goncharov
 */
public class CreatePatchFileAction extends AbstractSynchronizeModelAction {
	public CreatePatchFileAction(String text, ISynchronizePageConfiguration configuration) {
		super(text, configuration);
	}

	protected FastSyncInfoFilter getSyncInfoFilter() {
		return new FastSyncInfoFilter.SyncInfoDirectionFilter(new int[] {SyncInfo.OUTGOING, SyncInfo.CONFLICTING}) {
            public boolean select(SyncInfo info) {
            	ILocalResource local = ((AbstractSVNSyncInfo)info).getLocalResource();
                return super.select(info) && (IStateFilter.SF_VERSIONED.accept(local) || IStateFilter.SF_ANY_CHANGE.accept(local) && local.getResource().exists());
            }
        };
	}
	
	protected IActionOperation getOperation(ISynchronizePageConfiguration configuration, IDiffElement[] elements) {
		IResource []resources = FileUtility.shrinkChildNodes(this.syncInfoSelector.getSelectedResources(new ISyncStateFilter.StateFilterWrapper(IStateFilter.SF_ANY_CHANGE, true)));
		return CreatePatchAction.getCreatePatchOperation(resources, configuration.getSite().getShell());
	}

}