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package org.eclipse.papyrus.example.diagram.simplediagram.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.EClass;
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.eclipse.uml2.uml.Component;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.UMLFactory;

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

	/**
	 * @generated
	 */
	private EClass eClass = null;
	/**
	 * @generated
	 */
	private EObject eObject = null;

	/** 
	 * @generated
	 */
	public ComponentCreateCommand(CreateElementRequest req, EObject eObject) {
		super(req.getLabel(), null, req);
		this.eObject = eObject;
		this.eClass = eObject != null ? eObject.eClass() : null;
	}

	/**
	 * @generated
	 */
	public static ComponentCreateCommand create(CreateElementRequest req,
			EObject eObject) {
		return new ComponentCreateCommand(req, eObject);
	}

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

	/**
	 * FIXME: replace with setElementToEdit()
	 * @generated
	 */
	protected EObject getElementToEdit() {

		EObject container = ((CreateElementRequest) getRequest())
				.getContainer();
		if (container instanceof View) {
			container = ((View) container).getElement();
		}
		if (container != null) {
			return container;
		}
		return eObject;
	}

	/**
	 * @generated
	 */
	public boolean canExecute() {

		return true;

	}

	/**
	 * @generated
	 */
	protected CommandResult doExecuteWithResult(IProgressMonitor monitor,
			IAdaptable info) throws ExecutionException {

		Component newElement = UMLFactory.eINSTANCE.createComponent();

		Package owner = (Package) getElementToEdit();
		owner.getPackagedElements().add(newElement);

		doConfigure(newElement, monitor, info);

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

	/**
	 * @generated
	 */
	protected void doConfigure(Component 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);
		}
	}

}

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