plugins/org.eclipse.uml2.diagram.clazz/src/org/eclipse/uml2/diagram/clazz/edit/commands/RedefinableTemplateSignatureCreateCommand.java

package org.eclipse.uml2.diagram.clazz.edit.commands;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;

import org.eclipse.gmf.runtime.emf.type.core.commands.CreateElementCommand;

import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;

import org.eclipse.gmf.runtime.notation.View;

import org.eclipse.uml2.uml.TemplateableElement;
import org.eclipse.uml2.uml.UMLPackage;

/**
 * @generated
 */
public class RedefinableTemplateSignatureCreateCommand extends CreateElementCommand {

	/**
	 * @generated
	 */
	public RedefinableTemplateSignatureCreateCommand(CreateElementRequest req) {
		super(req);
	}

	/**
	 * @generated
	 */
	protected EClass getEClassToEdit() {
		return UMLPackage.eINSTANCE.getTemplateableElement();
	}

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

	/**
	 * @generated
	 */
	public boolean canExecute() {
		TemplateableElement container = (TemplateableElement) getElementToEdit();
		if (container.getOwnedTemplateSignature() != null) {
			return false;
		}
		return true;
	}

}