/*******************************************************************************
 * Copyright (c) 2006-2012
 * Software Technology Group, Dresden University of Technology
 * DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
 * 
 * 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:
 *   Software Technology Group - TU Dresden, Germany;
 *   DevBoost GmbH - Berlin, Germany
 *      - initial API and implementation
 ******************************************************************************/
package org.reuseware.coconut.compositionprogram.diagram.edit.commands;

import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.type.core.commands.EditElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.ConfigureRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import org.eclipse.gmf.runtime.notation.View;
import org.reuseware.coconut.compositionprogram.CompositionprogramFactory;
import org.reuseware.coconut.compositionprogram.FragmentInstance;
import org.reuseware.coconut.compositionprogram.PortInstance;

/**
 * @generated
 */
public class PortInstanceCreateCommand extends EditElementCommand {

	/**
	 * @generated
	 */
	public PortInstanceCreateCommand(CreateElementRequest req) {
		super(req.getLabel(), null, req);
	}

	/**

	 * @generated
	 */
	protected EObject getElementToEdit() {
		EObject container = ((CreateElementRequest) getRequest())
				.getContainer();
		if (container instanceof View) {
			container = ((View) container).getElement();
		}
		return container;
	}

	/**
	 * @generated
	 */
	public boolean canExecute() {
		return true;

	}

	/**
	 * @generated
	 */
	protected CommandResult doExecuteWithResult(IProgressMonitor monitor,
			IAdaptable info) throws ExecutionException {
		PortInstance newElement = CompositionprogramFactory.eINSTANCE
				.createPortInstance();

		FragmentInstance owner = (FragmentInstance) getElementToEdit();
		owner.getPortInstances().add(newElement);

		doConfigure(newElement, monitor, info);

		((CreateElementRequest) getRequest()).setNewElement(newElement);
		return CommandResult.newOKCommandResult(newElement);
	}

	/**
	 * @generated
	 */
	protected void doConfigure(PortInstance newElement,
			IProgressMonitor monitor, IAdaptable info)
			throws ExecutionException {
		IElementType elementType = ((CreateElementRequest) getRequest())
				.getElementType();
		ConfigureRequest configureRequest = new ConfigureRequest(
				getEditingDomain(), newElement, elementType);
		configureRequest.setClientContext(((CreateElementRequest) getRequest())
				.getClientContext());
		configureRequest.addParameters(getRequest().getParameters());
		ICommand configureCommand = elementType
				.getEditCommand(configureRequest);
		if (configureCommand != null && configureCommand.canExecute()) {
			configureCommand.execute(monitor, info);
		}
	}

}