/*******************************************************************************
 * 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.ui.swt.wizard.format.popup.chart;

import org.eclipse.birt.chart.model.attribute.ColorDefinition;
import org.eclipse.birt.chart.model.attribute.Fill;
import org.eclipse.birt.chart.model.attribute.FontDefinition;
import org.eclipse.birt.chart.model.attribute.Insets;
import org.eclipse.birt.chart.model.attribute.LineStyle;
import org.eclipse.birt.chart.model.attribute.Position;
import org.eclipse.birt.chart.model.layout.Legend;
import org.eclipse.birt.chart.ui.extension.i18n.Messages;
import org.eclipse.birt.chart.ui.swt.composites.LabelAttributesComposite;
import org.eclipse.birt.chart.ui.swt.composites.LabelAttributesComposite.LabelAttributesContext;
import org.eclipse.birt.chart.ui.swt.wizard.ChartWizardContext;
import org.eclipse.birt.chart.ui.swt.wizard.format.popup.AbstractPopupSheet;
import org.eclipse.birt.chart.ui.util.ChartHelpContextIds;
import org.eclipse.birt.chart.ui.util.ChartUIUtil;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;

/**
 * 
 */

public class LegendTitleSheet extends AbstractPopupSheet implements Listener
{

	private transient Composite cmpContent = null;

	private transient LabelAttributesComposite lacTitle = null;

	public LegendTitleSheet( String title, ChartWizardContext context )
	{
		super( title, context, true );
	}

	protected Composite getComponent( Composite parent )
	{
		ChartUIUtil.bindHelp( parent, ChartHelpContextIds.POPUP_LEGEND_TITLE);
		
		cmpContent = new Composite( parent, SWT.NONE );
		{
			GridLayout glMain = new GridLayout( );
			glMain.horizontalSpacing = 5;
			glMain.verticalSpacing = 5;
			glMain.marginHeight = 7;
			glMain.marginWidth = 7;
			cmpContent.setLayout( glMain );
		}

		LabelAttributesContext attributesContext = new LabelAttributesContext( );
		attributesContext.isVisibilityEnabled = false;
		attributesContext.isFontAlignmentEnabled = false;
		lacTitle = new LabelAttributesComposite( cmpContent,
				SWT.NONE,
				getContext( ),
				attributesContext,
				Messages.getString( "BaseAxisLabelAttributeSheetImpl.Lbl.Title" ),//$NON-NLS-1$
				getLegend( ).getTitlePosition( ),
				getLegend( ).getTitle( ),
				getChart( ).getUnits( ),
				LabelAttributesComposite.ALLOW_VERTICAL_POSITION
						| LabelAttributesComposite.ALLOW_HORIZONTAL_POSITION );
		{
			GridData gdLACTitle = new GridData( GridData.FILL_BOTH );
			gdLACTitle.verticalSpan = 2;
			lacTitle.setLayoutData( gdLACTitle );
			lacTitle.addListener( this );
			lacTitle.setEnabled( getLegend( ).getTitle( ).isVisible( ) );
		}

		return cmpContent;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
	 */
	public void handleEvent( Event event )
	{
		if ( event.widget.equals( lacTitle ) )
		{
			switch ( event.type )
			{
				case LabelAttributesComposite.VISIBILITY_CHANGED_EVENT :
					getLegend( ).getTitle( )
							.setVisible( ( (Boolean) event.data ).booleanValue( ) );
					break;
				case LabelAttributesComposite.POSITION_CHANGED_EVENT :
					getLegend( ).setTitlePosition( (Position) event.data );
					break;
				case LabelAttributesComposite.FONT_CHANGED_EVENT :
					getLegend( ).getTitle( )
							.getCaption( )
							.setFont( (FontDefinition) ( (Object[]) event.data )[0] );
					getLegend( ).getTitle( )
							.getCaption( )
							.setColor( (ColorDefinition) ( (Object[]) event.data )[1] );
					break;
				case LabelAttributesComposite.BACKGROUND_CHANGED_EVENT :
					getLegend( ).getTitle( ).setBackground( (Fill) event.data );
					break;
				case LabelAttributesComposite.SHADOW_CHANGED_EVENT :
					getLegend( ).getTitle( )
							.setShadowColor( (ColorDefinition) event.data );
					break;
				case LabelAttributesComposite.OUTLINE_STYLE_CHANGED_EVENT :
					getLegend( ).getTitle( )
							.getOutline( )
							.setStyle( (LineStyle) event.data );
					break;
				case LabelAttributesComposite.OUTLINE_WIDTH_CHANGED_EVENT :
					getLegend( ).getTitle( )
							.getOutline( )
							.setThickness( ( (Integer) event.data ).intValue( ) );
					break;
				case LabelAttributesComposite.OUTLINE_COLOR_CHANGED_EVENT :
					getLegend( ).getTitle( )
							.getOutline( )
							.setColor( (ColorDefinition) event.data );
					break;
				case LabelAttributesComposite.OUTLINE_VISIBILITY_CHANGED_EVENT :
					getLegend( ).getTitle( )
							.getOutline( )
							.setVisible( ( (Boolean) event.data ).booleanValue( ) );
					break;
				case LabelAttributesComposite.INSETS_CHANGED_EVENT :
					getLegend( ).getTitle( ).setInsets( (Insets) event.data );
					break;
			}
		}
	}

	private Legend getLegend( )
	{
		return getChart( ).getLegend( );
	}

}
