/***********************************************************************
 * Copyright (c) 2004 Actuate 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:
 * Actuate Corporation - initial API and implementation
 ***********************************************************************/

package org.eclipse.birt.chart.model.data.impl;

import org.eclipse.birt.chart.model.attribute.ActionType;
import org.eclipse.birt.chart.model.attribute.ActionValue;
import org.eclipse.birt.chart.model.data.Action;
import org.eclipse.birt.chart.model.data.DataFactory;
import org.eclipse.birt.chart.model.data.DataPackage;
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.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.EObjectImpl;

/**
 * <!-- begin-user-doc --> An implementation of the model object '
 * <em><b>Action</b></em>'. <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.birt.chart.model.data.impl.ActionImpl#getType <em>Type</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.data.impl.ActionImpl#getValue <em>Value</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ActionImpl extends EObjectImpl implements Action
{

	/**
	 * The default value of the '{@link #getType() <em>Type</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getType()
	 * @generated
	 * @ordered
	 */
	protected static final ActionType TYPE_EDEFAULT = ActionType.URL_REDIRECT_LITERAL;

	/**
	 * The cached value of the '{@link #getType() <em>Type</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getType()
	 * @generated
	 * @ordered
	 */
	protected ActionType type = TYPE_EDEFAULT;

	/**
	 * This is true if the Type attribute has been set.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	protected boolean typeESet;

	/**
	 * The cached value of the '{@link #getValue() <em>Value</em>}' containment reference.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getValue()
	 * @generated
	 * @ordered
	 */
	protected ActionValue value;

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

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public ActionType getType( )
	{
		return type;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setType( ActionType newType )
	{
		ActionType oldType = type;
		type = newType == null ? TYPE_EDEFAULT : newType;
		boolean oldTypeESet = typeESet;
		typeESet = true;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.SET,
					DataPackage.ACTION__TYPE,
					oldType,
					type,
					!oldTypeESet ) );
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void unsetType( )
	{
		ActionType oldType = type;
		boolean oldTypeESet = typeESet;
		type = TYPE_EDEFAULT;
		typeESet = false;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.UNSET,
					DataPackage.ACTION__TYPE,
					oldType,
					TYPE_EDEFAULT,
					oldTypeESet ) );
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetType( )
	{
		return typeESet;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public ActionValue getValue( )
	{
		return value;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetValue( ActionValue newValue,
			NotificationChain msgs )
	{
		ActionValue oldValue = value;
		value = newValue;
		if ( eNotificationRequired( ) )
		{
			ENotificationImpl notification = new ENotificationImpl( this,
					Notification.SET,
					DataPackage.ACTION__VALUE,
					oldValue,
					newValue );
			if ( msgs == null )
				msgs = notification;
			else
				msgs.add( notification );
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setValue( ActionValue newValue )
	{
		if ( newValue != value )
		{
			NotificationChain msgs = null;
			if ( value != null )
				msgs = ( (InternalEObject) value ).eInverseRemove( this,
						EOPPOSITE_FEATURE_BASE - DataPackage.ACTION__VALUE,
						null,
						msgs );
			if ( newValue != null )
				msgs = ( (InternalEObject) newValue ).eInverseAdd( this,
						EOPPOSITE_FEATURE_BASE - DataPackage.ACTION__VALUE,
						null,
						msgs );
			msgs = basicSetValue( newValue, msgs );
			if ( msgs != null )
				msgs.dispatch( );
		}
		else if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.SET,
					DataPackage.ACTION__VALUE,
					newValue,
					newValue ) );
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove( InternalEObject otherEnd,
			int featureID, NotificationChain msgs )
	{
		switch ( featureID )
		{
			case DataPackage.ACTION__VALUE :
				return basicSetValue( 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 DataPackage.ACTION__TYPE :
				return getType( );
			case DataPackage.ACTION__VALUE :
				return getValue( );
		}
		return super.eGet( featureID, resolve, coreType );
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet( int featureID, Object newValue )
	{
		switch ( featureID )
		{
			case DataPackage.ACTION__TYPE :
				setType( (ActionType) newValue );
				return;
			case DataPackage.ACTION__VALUE :
				setValue( (ActionValue) newValue );
				return;
		}
		super.eSet( featureID, newValue );
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset( int featureID )
	{
		switch ( featureID )
		{
			case DataPackage.ACTION__TYPE :
				unsetType( );
				return;
			case DataPackage.ACTION__VALUE :
				setValue( (ActionValue) null );
				return;
		}
		super.eUnset( featureID );
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet( int featureID )
	{
		switch ( featureID )
		{
			case DataPackage.ACTION__TYPE :
				return isSetType( );
			case DataPackage.ACTION__VALUE :
				return value != null;
		}
		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( " (type: " ); //$NON-NLS-1$
		if ( typeESet )
			result.append( type );
		else
			result.append( "<unset>" ); //$NON-NLS-1$
		result.append( ')' );
		return result.toString( );
	}

	/**
	 * Returns an instance of an action
	 * 
	 * NOTE: Manually written
	 * 
	 * @return
	 */
	public static final Action create( ActionType at, ActionValue av )
	{
		Action a = DataFactory.eINSTANCE.createAction( );
		a.setType( at );
		a.setValue( av );
		return a;
	}

	/**
	 * A convenient method to get an instance copy. This is much faster than the
	 * ECoreUtil.copy().
	 */
	public Action copyInstance( )
	{
		ActionImpl dest = new ActionImpl( );
		dest.set( this );
		return dest;
	}

	protected void set( Action src )
	{
		if ( src.getValue( ) != null )
		{
			setValue( src.getValue( ).copyInstance( ) );
		}

		type = src.getType( );
		typeESet = src.isSetType( );
	}

	public static Action create( EObject parent, EReference ref )
	{
		return new ActionImpl( );
	}

} //ActionImpl
