/*
 * Copyright (c) 2007 Borland Software Corporation
 * 
 * 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:
 *    Dmitry Stadnik (Borland) - initial API and implementation
 */
package org.eclipse.gmf.sketch.impl;

import java.util.Collection;

import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.common.util.BasicEList;
import org.eclipse.emf.common.util.EList;

import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.EObjectImpl;

import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

import org.eclipse.gmf.sketch.SketchElement;
import org.eclipse.gmf.sketch.SketchPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Element</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.gmf.sketch.impl.SketchElementImpl#getEAnnotations <em>EAnnotations</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class SketchElementImpl extends EObjectImpl implements SketchElement {

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<EAnnotation> getEAnnotations() {
		if (eAnnotations == null) {
			eAnnotations = new EObjectContainmentEList<EAnnotation>(EAnnotation.class, this, SketchPackage.SKETCH_ELEMENT__EANNOTATIONS);
		}
		return eAnnotations;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public EAnnotation getEAnnotation(String source) {
		if (eAnnotations != null) {
			if (eAnnotations instanceof BasicEList) {
				int size = eAnnotations.size();
				if (size > 0) {
					EAnnotation[] eAnnotationArray = (EAnnotation[]) ((BasicEList<?>) eAnnotations).data();
					if (source == null) {
						for (int i = 0; i < size; ++i) {
							EAnnotation eAnnotation = eAnnotationArray[i];
							if (eAnnotation.getSource() == null) {
								return eAnnotation;
							}
						}
					} else {
						for (int i = 0; i < size; ++i) {
							EAnnotation eAnnotation = eAnnotationArray[i];
							if (source.equals(eAnnotation.getSource())) {
								return eAnnotation;
							}
						}
					}
				}
			} else {
				if (source == null) {
					for (EAnnotation eAnnotation : eAnnotations) {
						if (eAnnotation.getSource() == null) {
							return eAnnotation;
						}
					}
				} else {
					for (EAnnotation eAnnotation : eAnnotations) {
						if (source.equals(eAnnotation.getSource())) {
							return eAnnotation;
						}
					}
				}
			}
		}
		return null;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
		case SketchPackage.SKETCH_ELEMENT__EANNOTATIONS:
			return ((InternalEList<?>) getEAnnotations()).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 SketchPackage.SKETCH_ELEMENT__EANNOTATIONS:
			return getEAnnotations();
		}
		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 SketchPackage.SKETCH_ELEMENT__EANNOTATIONS:
			getEAnnotations().clear();
			getEAnnotations().addAll((Collection<? extends EAnnotation>) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case SketchPackage.SKETCH_ELEMENT__EANNOTATIONS:
			getEAnnotations().clear();
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case SketchPackage.SKETCH_ELEMENT__EANNOTATIONS:
			return eAnnotations != null && !eAnnotations.isEmpty();
		}
		return super.eIsSet(featureID);
	}

} //SketchElementImpl