/**
 * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 * 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:
 *         Florian Pirchner - Initial implementation
 */
package org.eclipse.osbp.ecview.semantic.uimodel.impl;

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;
import org.eclipse.xtext.xbase.XExpression;
import org.eclipse.osbp.ecview.semantic.uimodel.UiModelPackage;
import org.eclipse.osbp.ecview.semantic.uimodel.UiXbaseVisibilityRule;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Ui Xbase Visibility Rule</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.osbp.ecview.semantic.uimodel.impl.UiXbaseVisibilityRuleImpl#getExpression <em>Expression</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class UiXbaseVisibilityRuleImpl extends UiVisibilityRuleImpl implements UiXbaseVisibilityRule {
	/**
	 * The cached value of the '{@link #getExpression() <em>Expression</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getExpression()
	 * @generated
	 * @ordered
	 */
	protected XExpression expression;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public XExpression getExpression() {
		if (expression != null && expression.eIsProxy()) {
			InternalEObject oldExpression = (InternalEObject)expression;
			expression = (XExpression)eResolveProxy(oldExpression);
			if (expression != oldExpression) {
				InternalEObject newExpression = (InternalEObject)expression;
				NotificationChain msgs = oldExpression.eInverseRemove(this, EOPPOSITE_FEATURE_BASE - UiModelPackage.UI_XBASE_VISIBILITY_RULE__EXPRESSION, null, null);
				if (newExpression.eInternalContainer() == null) {
					msgs = newExpression.eInverseAdd(this, EOPPOSITE_FEATURE_BASE - UiModelPackage.UI_XBASE_VISIBILITY_RULE__EXPRESSION, null, msgs);
				}
				if (msgs != null) msgs.dispatch();
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, UiModelPackage.UI_XBASE_VISIBILITY_RULE__EXPRESSION, oldExpression, expression));
			}
		}
		return expression;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public XExpression basicGetExpression() {
		return expression;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetExpression(XExpression newExpression, NotificationChain msgs) {
		XExpression oldExpression = expression;
		expression = newExpression;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, UiModelPackage.UI_XBASE_VISIBILITY_RULE__EXPRESSION, oldExpression, newExpression);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setExpression(XExpression newExpression) {
		if (newExpression != expression) {
			NotificationChain msgs = null;
			if (expression != null)
				msgs = ((InternalEObject)expression).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - UiModelPackage.UI_XBASE_VISIBILITY_RULE__EXPRESSION, null, msgs);
			if (newExpression != null)
				msgs = ((InternalEObject)newExpression).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - UiModelPackage.UI_XBASE_VISIBILITY_RULE__EXPRESSION, null, msgs);
			msgs = basicSetExpression(newExpression, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, UiModelPackage.UI_XBASE_VISIBILITY_RULE__EXPRESSION, newExpression, newExpression));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case UiModelPackage.UI_XBASE_VISIBILITY_RULE__EXPRESSION:
				return basicSetExpression(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 UiModelPackage.UI_XBASE_VISIBILITY_RULE__EXPRESSION:
				if (resolve) return getExpression();
				return basicGetExpression();
		}
		return super.eGet(featureID, resolve, coreType);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case UiModelPackage.UI_XBASE_VISIBILITY_RULE__EXPRESSION:
				setExpression((XExpression)null);
				return;
		}
		super.eUnset(featureID);
	}

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

} //UiXbaseVisibilityRuleImpl