/*******************************************************************************
 * Copyright (c) 2010 Martin Schnabel <mb0@mb0.org>.
 * 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
 ******************************************************************************/
package org.axdt.as3.model.impl;

import org.axdt.as3.As3EPackage;
import org.axdt.as3.model.As3AccessExpression;
import org.axdt.as3.model.As3PropertyOperator;
import org.axdt.avm.util.AvmTypeAccess;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>As3 Access Expression</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.axdt.as3.model.impl.As3AccessExpressionImpl#getOperator <em>Operator</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class As3AccessExpressionImpl extends As3PostfixExpressionImpl implements As3AccessExpression {
	/**
	 * The cached value of the '{@link #getOperator() <em>Operator</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getOperator()
	 * @generated
	 * @ordered
	 */
	protected As3PropertyOperator operator;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected As3AccessExpressionImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return As3EPackage.Literals.AS3_ACCESS_EXPRESSION;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public As3PropertyOperator getOperator() {
		return operator;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetOperator(As3PropertyOperator newOperator, NotificationChain msgs) {
		As3PropertyOperator oldOperator = operator;
		operator = newOperator;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, As3EPackage.AS3_ACCESS_EXPRESSION__OPERATOR, oldOperator, newOperator);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setOperator(As3PropertyOperator newOperator) {
		if (newOperator != operator) {
			NotificationChain msgs = null;
			if (operator != null)
				msgs = ((InternalEObject)operator).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - As3EPackage.AS3_ACCESS_EXPRESSION__OPERATOR, null, msgs);
			if (newOperator != null)
				msgs = ((InternalEObject)newOperator).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - As3EPackage.AS3_ACCESS_EXPRESSION__OPERATOR, null, msgs);
			msgs = basicSetOperator(newOperator, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, As3EPackage.AS3_ACCESS_EXPRESSION__OPERATOR, newOperator, newOperator));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case As3EPackage.AS3_ACCESS_EXPRESSION__OPERATOR:
				return basicSetOperator(null, 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 As3EPackage.AS3_ACCESS_EXPRESSION__OPERATOR:
				return getOperator();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case As3EPackage.AS3_ACCESS_EXPRESSION__OPERATOR:
				setOperator((As3PropertyOperator)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case As3EPackage.AS3_ACCESS_EXPRESSION__OPERATOR:
				setOperator((As3PropertyOperator)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case As3EPackage.AS3_ACCESS_EXPRESSION__OPERATOR:
				return operator != null;
		}
		return super.eIsSet(featureID);
	}

	@Override
	public AvmTypeAccess resolveType() {
		if (operator != null) {
			if (operator.getIdentifier() != null)
				return operator.getIdentifier().resolveType();
			// bracket access resolves to generic
			if (operator.getExpressions() != null)
				return AvmTypeAccess.GENERIC;
		}
		return AvmTypeAccess.NULL;
	}
} //As3AccessExpressionImpl