/***********************************************************************
 * 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.AttributeFactory;
import org.eclipse.birt.chart.model.attribute.AttributePackage;
import org.eclipse.birt.chart.model.attribute.ColorDefinition;
import org.eclipse.birt.chart.model.attribute.LineAttributes;
import org.eclipse.birt.chart.model.attribute.LineStyle;
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.emf.ecore.impl.EObjectImpl;

/**
 * <!-- begin-user-doc --> An implementation of the model object '
 * <em><b>Line Attributes</b></em>'. <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.birt.chart.model.attribute.impl.LineAttributesImpl#getStyle <em>Style</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.attribute.impl.LineAttributesImpl#getThickness <em>Thickness</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.attribute.impl.LineAttributesImpl#getColor <em>Color</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.attribute.impl.LineAttributesImpl#isVisible <em>Visible</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class LineAttributesImpl extends EObjectImpl implements LineAttributes
{

	/**
	 * The default value of the '{@link #getStyle() <em>Style</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getStyle()
	 * @generated
	 * @ordered
	 */
	protected static final LineStyle STYLE_EDEFAULT = LineStyle.SOLID_LITERAL;

	/**
	 * The cached value of the '{@link #getStyle() <em>Style</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getStyle()
	 * @generated
	 * @ordered
	 */
	protected LineStyle style = STYLE_EDEFAULT;

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

	/**
	 * The default value of the '{@link #getThickness() <em>Thickness</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getThickness()
	 * @generated
	 * @ordered
	 */
	protected static final int THICKNESS_EDEFAULT = 1;

	/**
	 * The cached value of the '{@link #getThickness() <em>Thickness</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getThickness()
	 * @generated
	 * @ordered
	 */
	protected int thickness = THICKNESS_EDEFAULT;

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

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

	/**
	 * The default value of the '{@link #isVisible() <em>Visible</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #isVisible()
	 * @generated
	 * @ordered
	 */
	protected static final boolean VISIBLE_EDEFAULT = false;

	/**
	 * The cached value of the '{@link #isVisible() <em>Visible</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #isVisible()
	 * @generated
	 * @ordered
	 */
	protected boolean visible = VISIBLE_EDEFAULT;

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

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

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public LineStyle getStyle( )
	{
		return style;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setStyle( LineStyle newStyle )
	{
		LineStyle oldStyle = style;
		style = newStyle == null ? STYLE_EDEFAULT : newStyle;
		boolean oldStyleESet = styleESet;
		styleESet = true;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.SET,
					AttributePackage.LINE_ATTRIBUTES__STYLE,
					oldStyle,
					style,
					!oldStyleESet ) );
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void unsetStyle( )
	{
		LineStyle oldStyle = style;
		boolean oldStyleESet = styleESet;
		style = STYLE_EDEFAULT;
		styleESet = false;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.UNSET,
					AttributePackage.LINE_ATTRIBUTES__STYLE,
					oldStyle,
					STYLE_EDEFAULT,
					oldStyleESet ) );
	}

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public int getThickness( )
	{
		return thickness;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setThickness( int newThickness )
	{
		int oldThickness = thickness;
		thickness = newThickness;
		boolean oldThicknessESet = thicknessESet;
		thicknessESet = true;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.SET,
					AttributePackage.LINE_ATTRIBUTES__THICKNESS,
					oldThickness,
					thickness,
					!oldThicknessESet ) );
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void unsetThickness( )
	{
		int oldThickness = thickness;
		boolean oldThicknessESet = thicknessESet;
		thickness = THICKNESS_EDEFAULT;
		thicknessESet = false;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.UNSET,
					AttributePackage.LINE_ATTRIBUTES__THICKNESS,
					oldThickness,
					THICKNESS_EDEFAULT,
					oldThicknessESet ) );
	}

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public ColorDefinition getColor( )
	{
		return color;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetColor( ColorDefinition newColor,
			NotificationChain msgs )
	{
		ColorDefinition oldColor = color;
		color = newColor;
		if ( eNotificationRequired( ) )
		{
			ENotificationImpl notification = new ENotificationImpl( this,
					Notification.SET,
					AttributePackage.LINE_ATTRIBUTES__COLOR,
					oldColor,
					newColor );
			if ( msgs == null )
				msgs = notification;
			else
				msgs.add( notification );
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setColor( ColorDefinition newColor )
	{
		if ( newColor != color )
		{
			NotificationChain msgs = null;
			if ( color != null )
				msgs = ( (InternalEObject) color ).eInverseRemove( this,
						EOPPOSITE_FEATURE_BASE
								- AttributePackage.LINE_ATTRIBUTES__COLOR,
						null,
						msgs );
			if ( newColor != null )
				msgs = ( (InternalEObject) newColor ).eInverseAdd( this,
						EOPPOSITE_FEATURE_BASE
								- AttributePackage.LINE_ATTRIBUTES__COLOR,
						null,
						msgs );
			msgs = basicSetColor( newColor, msgs );
			if ( msgs != null )
				msgs.dispatch( );
		}
		else if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.SET,
					AttributePackage.LINE_ATTRIBUTES__COLOR,
					newColor,
					newColor ) );
	}

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setVisible( boolean newVisible )
	{
		boolean oldVisible = visible;
		visible = newVisible;
		boolean oldVisibleESet = visibleESet;
		visibleESet = true;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.SET,
					AttributePackage.LINE_ATTRIBUTES__VISIBLE,
					oldVisible,
					visible,
					!oldVisibleESet ) );
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void unsetVisible( )
	{
		boolean oldVisible = visible;
		boolean oldVisibleESet = visibleESet;
		visible = VISIBLE_EDEFAULT;
		visibleESet = false;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.UNSET,
					AttributePackage.LINE_ATTRIBUTES__VISIBLE,
					oldVisible,
					VISIBLE_EDEFAULT,
					oldVisibleESet ) );
	}

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove( InternalEObject otherEnd,
			int featureID, NotificationChain msgs )
	{
		switch ( featureID )
		{
			case AttributePackage.LINE_ATTRIBUTES__COLOR :
				return basicSetColor( 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 AttributePackage.LINE_ATTRIBUTES__STYLE :
				return getStyle( );
			case AttributePackage.LINE_ATTRIBUTES__THICKNESS :
				return getThickness( );
			case AttributePackage.LINE_ATTRIBUTES__COLOR :
				return getColor( );
			case AttributePackage.LINE_ATTRIBUTES__VISIBLE :
				return isVisible( );
		}
		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.LINE_ATTRIBUTES__STYLE :
				setStyle( (LineStyle) newValue );
				return;
			case AttributePackage.LINE_ATTRIBUTES__THICKNESS :
				setThickness( (Integer) newValue );
				return;
			case AttributePackage.LINE_ATTRIBUTES__COLOR :
				setColor( (ColorDefinition) newValue );
				return;
			case AttributePackage.LINE_ATTRIBUTES__VISIBLE :
				setVisible( (Boolean) newValue );
				return;
		}
		super.eSet( featureID, newValue );
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset( int featureID )
	{
		switch ( featureID )
		{
			case AttributePackage.LINE_ATTRIBUTES__STYLE :
				unsetStyle( );
				return;
			case AttributePackage.LINE_ATTRIBUTES__THICKNESS :
				unsetThickness( );
				return;
			case AttributePackage.LINE_ATTRIBUTES__COLOR :
				setColor( (ColorDefinition) null );
				return;
			case AttributePackage.LINE_ATTRIBUTES__VISIBLE :
				unsetVisible( );
				return;
		}
		super.eUnset( featureID );
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet( int featureID )
	{
		switch ( featureID )
		{
			case AttributePackage.LINE_ATTRIBUTES__STYLE :
				return isSetStyle( );
			case AttributePackage.LINE_ATTRIBUTES__THICKNESS :
				return isSetThickness( );
			case AttributePackage.LINE_ATTRIBUTES__COLOR :
				return color != null;
			case AttributePackage.LINE_ATTRIBUTES__VISIBLE :
				return isSetVisible( );
		}
		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( " (style: " ); //$NON-NLS-1$
		if ( styleESet )
			result.append( style );
		else
			result.append( "<unset>" ); //$NON-NLS-1$
		result.append( ", thickness: " ); //$NON-NLS-1$
		if ( thicknessESet )
			result.append( thickness );
		else
			result.append( "<unset>" ); //$NON-NLS-1$
		result.append( ", visible: " ); //$NON-NLS-1$
		if ( visibleESet )
			result.append( visible );
		else
			result.append( "<unset>" ); //$NON-NLS-1$
		result.append( ')' );
		return result.toString( );
	}

	/**
	 * @generated
	 */
	protected void set( LineAttributes src )
	{

		// children

		if ( src.getColor( ) != null )
		{
			setColor( src.getColor( ).copyInstance( ) );
		}

		// attributes

		style = src.getStyle( );

		styleESet = src.isSetStyle( );

		thickness = src.getThickness( );

		thicknessESet = src.isSetThickness( );

		visible = src.isVisible( );

		visibleESet = src.isSetVisible( );

	}

	/**
	 * A convenient method that facilitates initialization of member variables.
	 * 
	 * Note: Manually written
	 * 
	 * @param cd
	 * @param ls
	 * @param iThickness
	 */
	public void set( ColorDefinition cd, LineStyle ls, int iThickness )
	{
		setColor( cd );
		setStyle( ls );
		setThickness( iThickness );
	}

	/**
	 * A convenient method that facilitates implicit initialization of member
	 * variables in creation of an instance.
	 * 
	 * Note: Manually written
	 * 
	 * @param cd
	 * @param ls
	 * @param iThickness
	 * 
	 * @return
	 */
	public static final LineAttributes create( ColorDefinition cd,
			LineStyle ls, int iThickness )
	{
		final LineAttributes la = AttributeFactory.eINSTANCE.createLineAttributes( );
		la.setColor( cd );
		la.setStyle( ls );
		la.setThickness( iThickness );
		la.setVisible( true );
		return la;
	}

	/**
	 * A convenient method to get an instance copy. This is much faster than the
	 * ECoreUtil.copy().
	 */
	public LineAttributes copyInstance( )
	{
		LineAttributesImpl dest = new LineAttributesImpl( );

		ColorDefinition tColor = getColor( );
		if ( tColor != null )
		{
			dest.color = tColor.copyInstance( );
		}

		dest.style = getStyle( );
		dest.styleESet = isSetStyle( );
		dest.thickness = getThickness( );
		dest.thicknessESet = isSetThickness( );
		dest.visible = isVisible( );
		dest.visibleESet = isSetVisible( );
		return dest;
	}

} // LineAttributesImpl
