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Page perso [Jmini] > Eclipse BIRT > Charting Engine (ECE) > BIRT Charts Gallery > BIRT Chart Min Slice

Min Slice

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/***********************************************************************
 * Copyright (c) 2004, 2005 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.examples.view.models;

import org.eclipse.birt.chart.model.Chart;
import org.eclipse.birt.chart.model.ChartWithoutAxes;
import org.eclipse.birt.chart.model.attribute.Fill;
import org.eclipse.birt.chart.model.attribute.LegendItemType;
import org.eclipse.birt.chart.model.attribute.Position;
import org.eclipse.birt.chart.model.attribute.impl.ColorDefinitionImpl;
import org.eclipse.birt.chart.model.attribute.impl.GradientImpl;
import org.eclipse.birt.chart.model.component.Series;
import org.eclipse.birt.chart.model.component.impl.SeriesImpl;
import org.eclipse.birt.chart.model.data.BaseSampleData;
import org.eclipse.birt.chart.model.data.DataFactory;
import org.eclipse.birt.chart.model.data.NumberDataSet;
import org.eclipse.birt.chart.model.data.OrthogonalSampleData;
import org.eclipse.birt.chart.model.data.SampleData;
import org.eclipse.birt.chart.model.data.SeriesDefinition;
import org.eclipse.birt.chart.model.data.TextDataSet;
import org.eclipse.birt.chart.model.data.impl.NumberDataSetImpl;
import org.eclipse.birt.chart.model.data.impl.SeriesDefinitionImpl;
import org.eclipse.birt.chart.model.data.impl.TextDataSetImpl;
import org.eclipse.birt.chart.model.impl.ChartWithoutAxesImpl;
import org.eclipse.birt.chart.model.layout.Legend;
import org.eclipse.birt.chart.model.type.PieSeries;
import org.eclipse.birt.chart.model.type.impl.PieSeriesImpl;

public class MinSlice
{

	public static final Chart createMinSlice( )
	{
		ChartWithoutAxes cwoaPie = ChartWithoutAxesImpl.create( );
		cwoaPie.setType( "Pie Chart" ); //$NON-NLS-1$	
		cwoaPie.setSubType( "Standard Pie Chart" ); //$NON-NLS-1$
		cwoaPie.getBlock( ).setBackground( ColorDefinitionImpl.WHITE( ));

		// Plot
		cwoaPie.getPlot( )
				.getClientArea( )
				.setBackground( ColorDefinitionImpl.create( 255, 255, 225 ) );

		// Legend
		Legend lg = cwoaPie.getLegend( );
		lg.setItemType( LegendItemType.CATEGORIES_LITERAL );
		lg.getClientArea( ).getOutline( ).setVisible( true );
		lg.getTitle( ).setVisible( false );

		// Title
		cwoaPie.getTitle( )
				.getLabel( )
				.getCaption( )
				.setValue( "Min Slice Pie Chart" ); //$NON-NLS-1$
		cwoaPie.getTitle( ).getOutline( ).setVisible( false );

		// Data Set
		TextDataSet categoryValues = TextDataSetImpl.create( new String[]{
				"New York", "Boston", "Chicago", "San Francisco", "Dallas", "Miami"//$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$//$NON-NLS-6$
		} );
		NumberDataSet seriesOneValues = NumberDataSetImpl.create( new double[]{
				24, 9, 30, 36, 8, 51
		} );
		
		SampleData sdata = DataFactory.eINSTANCE.createSampleData( );
		BaseSampleData sdBase = DataFactory.eINSTANCE.createBaseSampleData( );
		sdBase.setDataSetRepresentation( "" );//$NON-NLS-1$
		sdata.getBaseSampleData( ).add( sdBase );

		OrthogonalSampleData sdOrthogonal = DataFactory.eINSTANCE.createOrthogonalSampleData( );
		sdOrthogonal.setDataSetRepresentation( "" );//$NON-NLS-1$
		sdOrthogonal.setSeriesDefinitionIndex( 0 );
		sdata.getOrthogonalSampleData( ).add( sdOrthogonal );

		cwoaPie.setSampleData( sdata );

		// Base Series
		SeriesDefinition sd = SeriesDefinitionImpl.create( );
		cwoaPie.getSeriesDefinitions( ).add( sd );

		Series seCategory = (Series) SeriesImpl.create( );

		final Fill[] fiaBase = {
				ColorDefinitionImpl.ORANGE( ),
				GradientImpl.create( ColorDefinitionImpl.create( 225, 225, 255 ),
						ColorDefinitionImpl.create( 255, 255, 225 ),
						-35,
						false ),
				ColorDefinitionImpl.CREAM( ),
				ColorDefinitionImpl.RED( ),
				ColorDefinitionImpl.GREEN( ),
				ColorDefinitionImpl.BLUE( ).brighter( ),
				ColorDefinitionImpl.CYAN( ).darker( ),
		};
		sd.getSeriesPalette( ).getEntries( ).clear( );
		for ( int i = 0; i < fiaBase.length; i++ )
		{
			sd.getSeriesPalette( ).getEntries( ).add( fiaBase[i] );
		}

		seCategory.setDataSet( categoryValues );
		sd.getSeries( ).add( seCategory );

		// Orthogonal Series
		SeriesDefinition sdCity = SeriesDefinitionImpl.create( );
		sd.getSeriesDefinitions( ).add( sdCity );

		PieSeries sePie = (PieSeries) PieSeriesImpl.create( );
		sePie.setDataSet( seriesOneValues );
		sePie.setLabelPosition( Position.INSIDE_LITERAL );

		// Explosion
		sePie.setExplosion( 10 );
		sePie.setExplosionExpression( "valueData<20 ||valueData>50" );//$NON-NLS-1$

		sdCity.getSeries( ).add( sePie );

		// Min Slice
		cwoaPie.setMinSlice( 10 );
		cwoaPie.setMinSlicePercent( false );
		cwoaPie.setMinSliceLabel( "Others" );//$NON-NLS-1$

		return cwoaPie;
	}

}
Responsables bénévoles de la rubrique Eclipse : Mickael Baron - Robin56 -