/*****************************************************************************
 * Copyright (c) 2014 CEA LIST.
 *
 *
 * 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:
 *  Patrick Tessier (CEA LIST) patrick.tessier@cea.fr - Initial API and implementation
 *
 *****************************************************************************/
package org.eclipse.papyrus.requirements.reqif.integration.assistant;

import org.eclipse.core.resources.IFile;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.transaction.RecordingCommand;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.papyrus.requirements.reqif.I_SysMLStereotype;
import org.eclipse.papyrus.requirements.reqif.assistant.ReqIFSelectionPage;
import org.eclipse.papyrus.requirements.reqif.integration.transformation.ReqIFImporterServiceEdit;
import org.eclipse.papyrus.requirements.reqif.transformation.ReqIFImporter;
import org.eclipse.papyrus.uml.extensionpoints.utils.Util;
import org.eclipse.rmf.reqif10.ReqIF;
import org.eclipse.ui.IImportWizard;
import org.eclipse.uml2.uml.Package;

/**
 * this class is used to do the retro engineering from workspaceplugin. It adds only in the platform dependencies.
 *
 */
public class ReqIFImportWizard extends AbstractWizardForPapyrus implements IImportWizard {

	protected ReqIFSelectionPage reqifSelectionPage;

	/**
	 * 
	 * Constructor.
	 *
	 */
	public ReqIFImportWizard() {
		super();
		setNeedsProgressMonitor(true);
	}

	@Override
	public void addPages() {
		if(getSelectionSet().size() > 0) {
			reqifSelectionPage = new ReqIFSelectionPage((Package)getSelectionSet().get(0));
			this.addPage(reqifSelectionPage);
		}
	}

	@Override
	public boolean performFinish() {
		// get the domain in order to launche the command
		if(modelSet != null) {
			final TransactionalEditingDomain domain = modelSet.getTransactionalEditingDomain();
			IFile reqFile = reqifSelectionPage.getSelectedReqIFFile();
			resourceSet = Util.createTemporaryResourceSet();
			Resource reqIFResource = resourceSet.getResource(URI.createPlatformResourceURI(reqFile.getFullPath().toOSString(), true), true);
			if(reqIFResource.getContents().size() > 0) {
				if(reqIFResource.getContents().get(0) instanceof ReqIF) {
					final ReqIF importedReqIFModel = (ReqIF)reqIFResource.getContents().get(0);
					RecordingCommand cmd = new RecordingCommand(domain, "importReqIF") {

						@Override
						protected void doExecute() {
							ReqIFImporter sysMLReqIFTransfomation = new ReqIFImporterServiceEdit(domain, importedReqIFModel, (Package)getSelectionSet().get(0));
							sysMLReqIFTransfomation.reImportReqIFModel(true, I_SysMLStereotype.REQUIREMENT_ID_ATT, true);
						}
					};
					domain.getCommandStack().execute(cmd);
				}
			}
			return true;
		}
		return false;
	}
}