plugins/design/org.eclipse.papyrus.pdp4eng.designer.ui/src/org/eclipse/papyrus/pdp4eng/designer/ui/CreateProcessFromReqHandler.java

/**
 *  Copyright (c)2020 CEA LIST, Committer Name, and others.
 * 
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License 2.0
 *  which accompanies this distribution, and is available at
 *  https://www.eclipse.org/legal/epl-2.0/
 * 
 *  SPDX-License-Identifier: EPL-2.0
 * 
 *  Contributors:
 *  CEA LIST - Initial API and implementation
 *  Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr 
 * 
 */
package org.eclipse.papyrus.pdp4eng.designer.ui;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.papyrus.infra.widgets.editors.TreeSelectorDialog;
import org.eclipse.papyrus.pdp4eng.designer.controller.api.ModelTransfoFactory;
import org.eclipse.papyrus.requirements.sysml14.common.PapyrusAbstractHandler;
import org.eclipse.papyrus.uml.tools.providers.UMLContentProvider;
import org.eclipse.papyrus.uml.tools.providers.UMLLabelProvider;
import org.eclipse.swt.widgets.Display;
import org.eclipse.uml2.uml.Activity;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.NamedElement;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.UMLPackage;
/**
 * execute the creation of process model form Req DFD
 *
 */
public class CreateProcessFromReqHandler extends PapyrusAbstractHandler {
	public Object execute(ExecutionEvent event) throws ExecutionException {
		super.execute(event);
		Element selectedElement = getSelection();
		ModelTransfoFactory factory= new ModelTransfoFactory();
		if (selectedElement != null) {
			TreeSelectorDialog dialog = new TreeSelectorDialog(Display.getDefault().getActiveShell());
			dialog.setContentProvider(new UMLContentProvider(selectedElement.getNearestPackage(), UMLPackage.eINSTANCE.getPackage_PackagedElement()));
			dialog.setLabelProvider(new UMLLabelProvider());
			dialog.setMessage("Choose Requirement DFD" );
			dialog.setTitle("Choose DFD "+((NamedElement)selectedElement).getName());
			dialog.create();
			dialog.setDescription("Choose Satisfy Link for "+((NamedElement)selectedElement).getQualifiedName());
			if(dialog.open() == org.eclipse.jface.window.Window.OK) {
				Object[] result = dialog.getResult();
				if (result.length>0) {
					Activity ReqDFDSource=(Activity)result[0];
					transactionalEditingDomain.getCommandStack().execute(factory.getCreateProcessModelFromReq(transactionalEditingDomain, (Package) selectedElement, ReqDFDSource));
				}
			}
		}
		return null;

	}

	/**
	 * 
	 * @see org.eclipse.core.commands.AbstractHandler#isEnabled()
	 * 
	 * @return true if the handler is possible
	 */
	@Override
	public boolean isEnabled() {
		Element selectedElement = getSelection();
		if (selectedElement instanceof org.eclipse.uml2.uml.Package) {
			return true;
		} else {
			return false;
		}
	}
}