/***********************************************************************
 * 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.attribute.impl;

import org.eclipse.birt.chart.model.attribute.ActionValue;
import org.eclipse.birt.chart.model.attribute.AttributeFactory;
import org.eclipse.birt.chart.model.attribute.AttributePackage;
import org.eclipse.birt.chart.model.attribute.ScriptValue;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.ENotificationImpl;

/**
 * <!-- begin-user-doc --> An implementation of the model object '
 * <em><b>Script Value</b></em>'. <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.birt.chart.model.attribute.impl.ScriptValueImpl#getScript <em>Script</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ScriptValueImpl extends ActionValueImpl implements ScriptValue
{

	/**
	 * The default value of the '{@link #getScript() <em>Script</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getScript()
	 * @generated
	 * @ordered
	 */
	protected static final String SCRIPT_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getScript() <em>Script</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getScript()
	 * @generated
	 * @ordered
	 */
	protected String script = SCRIPT_EDEFAULT;

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

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public String getScript( )
	{
		return script;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setScript( String newScript )
	{
		String oldScript = script;
		script = newScript;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.SET,
					AttributePackage.SCRIPT_VALUE__SCRIPT,
					oldScript,
					script ) );
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet( int featureID, boolean resolve, boolean coreType )
	{
		switch ( featureID )
		{
			case AttributePackage.SCRIPT_VALUE__SCRIPT :
				return getScript( );
		}
		return super.eGet( featureID, resolve, coreType );
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset( int featureID )
	{
		switch ( featureID )
		{
			case AttributePackage.SCRIPT_VALUE__SCRIPT :
				setScript( SCRIPT_EDEFAULT );
				return;
		}
		super.eUnset( featureID );
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet( int featureID )
	{
		switch ( featureID )
		{
			case AttributePackage.SCRIPT_VALUE__SCRIPT :
				return SCRIPT_EDEFAULT == null ? script != null
						: !SCRIPT_EDEFAULT.equals( script );
		}
		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( " (script: " ); //$NON-NLS-1$
		result.append( script );
		result.append( ')' );
		return result.toString( );
	}

	/**
	 * A convenience method provided to build a script action value when needed
	 * 
	 * @param script
	 * @return
	 */
	public static final ScriptValue create( String script )
	{
		ScriptValue sv = AttributeFactory.eINSTANCE.createScriptValue( );
		sv.setScript( script );
		return sv;
	}

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

	protected void set( ScriptValue src )
	{
		super.set( src );
		script = src.getScript( );
	}

} // ScriptValueImpl
