/*******************************************************************************
 * Copyright (c) 2008-2011 Chair for Applied Software Engineering,
 * Technische Universitaet Muenchen.
 * 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:
 ******************************************************************************/
package org.eclipse.emf.emfstore.client.model.importexport.impl;

import java.io.File;
import java.io.IOException;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.emfstore.client.model.ProjectSpace;
import org.eclipse.emf.emfstore.client.model.importexport.ExportImportDataUnits;
import org.eclipse.emf.emfstore.client.model.importexport.IExportImportController;

/**
 * A controller for importing changes which then will be applied upon
 * a given {@link ProjectSpace}.
 * 
 * @author emueller
 * 
 */
public class ImportChangesController implements IExportImportController {

	private final ProjectSpace projectSpace;

	/**
	 * Constructor.
	 * 
	 * @param projectSpace
	 *            the {@link ProjectSpace} upon which to apply the changes being imported
	 */
	public ImportChangesController(ProjectSpace projectSpace) {
		this.projectSpace = projectSpace;
	}

	/**
	 * 
	 * {@inheritDoc}
	 * 
	 * @see org.eclipse.emf.emfstore.client.model.controller.importexport.IExportImportController#getLabel()
	 */
	public String getLabel() {
		return "changes";
	}

	/**
	 * 
	 * {@inheritDoc}
	 * 
	 * @see org.eclipse.emf.emfstore.client.model.controller.importexport.IExportImportController#getFilteredNames()
	 */
	public String[] getFilteredNames() {
		return new String[] { "EMFStore change package (" + ExportImportDataUnits.Change.getExtension() + ")",
			"All Files (*.*)" };
	}

	/**
	 * 
	 * {@inheritDoc}
	 * 
	 * @see org.eclipse.emf.emfstore.client.model.controller.importexport.IExportImportController#getFilteredExtensions()
	 */
	public String[] getFilteredExtensions() {
		return new String[] { "*" + ExportImportDataUnits.Change.getExtension(), "*.*" };
	}

	/**
	 * 
	 * {@inheritDoc}
	 * 
	 * @see org.eclipse.emf.emfstore.client.model.controller.importexport.IExportImportController#getParentFolderPropertyKey()
	 */
	public String getParentFolderPropertyKey() {
		return null;
	}

	/**
	 * 
	 * {@inheritDoc}
	 * 
	 * @see org.eclipse.emf.emfstore.client.model.controller.importexport.IExportImportController#execute(java.io.File,
	 *      org.eclipse.core.runtime.IProgressMonitor)
	 */
	public void execute(File file, IProgressMonitor progressMonitor) throws IOException {
		projectSpace.importLocalChanges(file.getAbsolutePath());
	}

	/**
	 * 
	 * {@inheritDoc}
	 * 
	 * @see org.eclipse.emf.emfstore.client.model.controller.importexport.IExportImportController#getFilename()
	 */
	public String getFilename() {
		return null;
	}

	/**
	 * 
	 * {@inheritDoc}
	 * 
	 * @see org.eclipse.emf.emfstore.client.model.controller.importexport.IExportImportController#isExport()
	 */
	public boolean isExport() {
		return false;
	}

}