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/*
 * Copyright (c) 2012 - 2024 Data In Motion and others.
 * All rights reserved. 
 * 
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * 
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 *      Mark Hoffmann - initial API and implementation
 */
package org.omg.bpmn.di.impl;

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.omg.bpmn.di.BPMNLabel;
import org.omg.bpmn.di.BPMNLabelStyle;
import org.omg.bpmn.di.BpmnDiPackage;

import org.omg.dd.di.impl.LabelImpl;

/**
 * 
 * An implementation of the model object 'BPMN Label'.
 * 
 * 
 * The following features are implemented:
 * 
 * 
 *   {@link org.omg.bpmn.di.impl.BPMNLabelImpl#getLabelStyle Label Style}
 * 
 *
 * @generated
 */
public class BPMNLabelImpl extends LabelImpl implements BPMNLabel {
	/**
	 * The cached value of the '{@link #getLabelStyle() Label Style}' reference.
	 * 
	 * 
	 * @see #getLabelStyle()
	 * @generated
	 * @ordered
	 */
	protected BPMNLabelStyle labelStyle;

	/**
	 * 
	 * 
	 * @generated
	 */
	protected BPMNLabelImpl() {
		super();
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return BpmnDiPackage.Literals.BPMN_LABEL;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public BPMNLabelStyle getLabelStyle() {
		if (labelStyle != null && labelStyle.eIsProxy()) {
			InternalEObject oldLabelStyle = (InternalEObject)labelStyle;
			labelStyle = (BPMNLabelStyle)eResolveProxy(oldLabelStyle);
			if (labelStyle != oldLabelStyle) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, BpmnDiPackage.BPMN_LABEL__LABEL_STYLE, oldLabelStyle, labelStyle));
			}
		}
		return labelStyle;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public BPMNLabelStyle basicGetLabelStyle() {
		return labelStyle;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void setLabelStyle(BPMNLabelStyle newLabelStyle) {
		BPMNLabelStyle oldLabelStyle = labelStyle;
		labelStyle = newLabelStyle;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, BpmnDiPackage.BPMN_LABEL__LABEL_STYLE, oldLabelStyle, labelStyle));
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case BpmnDiPackage.BPMN_LABEL__LABEL_STYLE:
				if (resolve) return getLabelStyle();
				return basicGetLabelStyle();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case BpmnDiPackage.BPMN_LABEL__LABEL_STYLE:
				setLabelStyle((BPMNLabelStyle)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case BpmnDiPackage.BPMN_LABEL__LABEL_STYLE:
				setLabelStyle((BPMNLabelStyle)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case BpmnDiPackage.BPMN_LABEL__LABEL_STYLE:
				return labelStyle != null;
		}
		return super.eIsSet(featureID);
	}

} //BPMNLabelImpl