/*******************************************************************************
 * 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:
 *    Alexander Gurov - Initial API and implementation
 *******************************************************************************/

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

import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.team.svn.core.resource.IRepositoryLocation;
import org.eclipse.team.svn.core.resource.IRepositoryResource;
import org.eclipse.team.svn.ui.repository.model.IResourceTreeNode;
import org.eclipse.team.svn.ui.repository.model.RepositoryLocation;

/**
 * Abstract UI repository action
 * 
 * @author Alexander Gurov
 */
public abstract class AbstractRepositoryTeamAction extends AbstractSVNTeamAction {
	private IStructuredSelection selection;
	
	public AbstractRepositoryTeamAction() {
		super();
	}

	protected IStructuredSelection getSelection() {
		if (this.selection == null) {
			this.selection = StructuredSelection.EMPTY;
		}
		return this.selection;
	}
	
	protected void checkSelection(IStructuredSelection selection) {
		this.selection = selection;
	}
	
	protected IRepositoryLocation []getSelectedRepositoryLocations() {
		Object []locationWrappers = this.getAdaptedSelection(RepositoryLocation.class);
		IRepositoryLocation []locations = new IRepositoryLocation[locationWrappers.length];
		for (int i = 0; i < locations.length; i++) {
			locations[i] = ((RepositoryLocation)locationWrappers[i]).getRepositoryLocation();
		}
		return locations;
	}
	
	protected IRepositoryResource []getSelectedRepositoryResources() {
		Object []wrappers = this.getAdaptedSelection(IResourceTreeNode.class);
		IRepositoryResource []resources = new IRepositoryResource[wrappers.length];
		for (int i = 0; i < resources.length; i++) {
			resources[i] = ((IResourceTreeNode)wrappers[i]).getRepositoryResource();
		}
		return resources;
	}
	
}