//------------------------------------------------------------------------------
// Copyright (c) 2005, 2006 IBM Corporation and others.
// 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:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.uma.impl;

import java.util.Collection;
import java.util.List;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.epf.uma.Point;
import org.eclipse.epf.uma.Polyline;
import org.eclipse.epf.uma.UmaPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Polyline</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.epf.uma.impl.PolylineImpl#getClosed <em>Closed</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.PolylineImpl#getWaypoints <em>Waypoints</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class PolylineImpl extends GraphicPrimitiveImpl implements Polyline {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private static final long serialVersionUID = 1L;

	/**
	 * The default value of the '{@link #getClosed() <em>Closed</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getClosed()
	 * @generated
	 * @ordered
	 */
	protected static final Boolean CLOSED_EDEFAULT = Boolean.TRUE;

	/**
	 * The cached value of the '{@link #getClosed() <em>Closed</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getClosed()
	 * @generated
	 * @ordered
	 */
	protected Boolean closed = CLOSED_EDEFAULT;

	/**
	 * The cached value of the '{@link #getWaypoints() <em>Waypoints</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getWaypoints()
	 * @generated
	 * @ordered
	 */
	protected EList<Point> waypoints;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Boolean getClosed() {
		return closed;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setClosed(Boolean newClosed) {
		Boolean oldClosed = closed;
		closed = newClosed;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					UmaPackage.POLYLINE__CLOSED, oldClosed, closed));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List<Point> getWaypoints() {
		if (waypoints == null) {
			waypoints = new EObjectContainmentEList.Resolving<Point>(
					Point.class, this, UmaPackage.POLYLINE__WAYPOINTS);
		}
		return waypoints;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case UmaPackage.POLYLINE__WAYPOINTS:
			return ((InternalEList<?>) getWaypoints()).basicRemove(otherEnd,
					msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case UmaPackage.POLYLINE__CLOSED:
			return getClosed();
		case UmaPackage.POLYLINE__WAYPOINTS:
			return getWaypoints();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case UmaPackage.POLYLINE__CLOSED:
			setClosed((Boolean) newValue);
			return;
		case UmaPackage.POLYLINE__WAYPOINTS:
			getWaypoints().clear();
			getWaypoints().addAll((Collection<? extends Point>) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case UmaPackage.POLYLINE__CLOSED:
			setClosed(CLOSED_EDEFAULT);
			return;
		case UmaPackage.POLYLINE__WAYPOINTS:
			getWaypoints().clear();
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case UmaPackage.POLYLINE__CLOSED:
			return CLOSED_EDEFAULT == null ? closed != null : !CLOSED_EDEFAULT
					.equals(closed);
		case UmaPackage.POLYLINE__WAYPOINTS:
			return waypoints != null && !waypoints.isEmpty();
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy())
			return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (closed: "); //$NON-NLS-1$
		result.append(closed);
		result.append(')');
		return result.toString();
	}

} //PolylineImpl