/*****************************************************************************
 * Copyright (c) 2009 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:
 *  Yann Tanguy (CEA LIST) yann.tanguy@cea.fr - Initial API and implementation
 *
 *****************************************************************************/
package org.eclipse.papyrus.sysml.modelelements.internal.impl;

import java.util.Iterator;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
import org.eclipse.papyrus.sysml.modelelements.Conform;
import org.eclipse.papyrus.sysml.modelelements.ModelelementsPackage;
import org.eclipse.papyrus.sysml.modelelements.View;
import org.eclipse.papyrus.sysml.modelelements.ViewPoint;
import org.eclipse.uml2.uml.Dependency;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.util.UMLUtil;

/**
 * <!-- begin-user-doc --> An implementation of the model object ' <em><b>View</b></em>'. <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 * <li>{@link org.eclipse.papyrus.sysml.modelelements.internal.impl.ViewImpl#getViewPoint <em>View Point</em>}</li>
 * <li>{@link org.eclipse.papyrus.sysml.modelelements.internal.impl.ViewImpl#getBase_Package <em>Base Package</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ViewImpl extends MinimalEObjectImpl.Container implements View {

	/**
	 * The cached value of the '{@link #getBase_Package() <em>Base Package</em>}' reference.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @see #getBase_Package()
	 * @generated
	 * @ordered
	 */
	protected org.eclipse.uml2.uml.Package base_Package;

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected ViewImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public org.eclipse.uml2.uml.Package basicGetBase_Package() {
		return base_Package;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated NOT
	 */
	public ViewPoint basicGetViewPoint() {
		// ViewPoint is related to View via a Conform dependency
		ViewPoint viewPoint = null;
		Conform conform = null;

		if (getBase_Package() != null) {
			// Find Conform link
			Iterator<Dependency> itDep = getBase_Package().getClientDependencies().iterator();
			while (itDep.hasNext() && (conform == null)) {
				Dependency currentDependency = itDep.next();
				conform = UMLUtil.getStereotypeApplication(currentDependency, Conform.class);
			}

			// Find ViewPoint
			if (conform != null) {
				Iterator<Element> itElt = conform.getBase_Dependency().getTargets().iterator();
				while (itElt.hasNext()) {
					Element currentElt = itElt.next();
					viewPoint = UMLUtil.getStereotypeApplication(currentElt, ViewPoint.class);
				}
			}
		}
		return viewPoint;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case ModelelementsPackage.VIEW__VIEW_POINT:
			if (resolve) {
				return getViewPoint();
			}
			return basicGetViewPoint();
		case ModelelementsPackage.VIEW__BASE_PACKAGE:
			if (resolve) {
				return getBase_Package();
			}
			return basicGetBase_Package();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case ModelelementsPackage.VIEW__VIEW_POINT:
			return basicGetViewPoint() != null;
		case ModelelementsPackage.VIEW__BASE_PACKAGE:
			return base_Package != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case ModelelementsPackage.VIEW__BASE_PACKAGE:
			setBase_Package((org.eclipse.uml2.uml.Package) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return ModelelementsPackage.Literals.VIEW;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case ModelelementsPackage.VIEW__BASE_PACKAGE:
			setBase_Package((org.eclipse.uml2.uml.Package) null);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public org.eclipse.uml2.uml.Package getBase_Package() {
		if (base_Package != null && base_Package.eIsProxy()) {
			InternalEObject oldBase_Package = (InternalEObject) base_Package;
			base_Package = (org.eclipse.uml2.uml.Package) eResolveProxy(oldBase_Package);
			if (base_Package != oldBase_Package) {
				if (eNotificationRequired()) {
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, ModelelementsPackage.VIEW__BASE_PACKAGE, oldBase_Package, base_Package));
				}
			}
		}
		return base_Package;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public ViewPoint getViewPoint() {
		ViewPoint viewPoint = basicGetViewPoint();
		return viewPoint != null && viewPoint.eIsProxy() ? (ViewPoint) eResolveProxy((InternalEObject) viewPoint) : viewPoint;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public void setBase_Package(org.eclipse.uml2.uml.Package newBase_Package) {
		org.eclipse.uml2.uml.Package oldBase_Package = base_Package;
		base_Package = newBase_Package;
		if (eNotificationRequired()) {
			eNotify(new ENotificationImpl(this, Notification.SET, ModelelementsPackage.VIEW__BASE_PACKAGE, oldBase_Package, base_Package));
		}
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated NOT
	 */
	public void setViewPoint(ViewPoint newViewPoint) {
		// TODO: implement this method to set the 'View Point' reference
		// Ensure that you remove @generated or mark it @generated NOT

		// The exception makes the model opening to fail...
		// throw new UnsupportedOperationException();
	}

} // ViewImpl