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Page perso [Jmini] > Eclipse BIRT > Charting Engine (ECE) > BIRT Charts Gallery > BIRT Chart Axis Label Script

Axis Label Script

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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.ChartWithAxes;
import org.eclipse.birt.chart.model.attribute.AxisType;
import org.eclipse.birt.chart.model.attribute.IntersectionType;
import org.eclipse.birt.chart.model.attribute.TickStyle;
import org.eclipse.birt.chart.model.component.Axis;
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.ChartWithAxesImpl;
import org.eclipse.birt.chart.model.type.BarSeries;
import org.eclipse.birt.chart.model.type.impl.BarSeriesImpl;

public class AxisLabelScript
{

	public static final Chart createAxisLabelScript( )
	{
		ChartWithAxes cwaBar = ChartWithAxesImpl.create( );
		cwaBar.setScript( "function beforeDrawAxisLabel(axis, label, scriptContext)" //$NON-NLS-1$
				+ "{label.getCaption( ).getColor( ).set( 140, 198, 62 );" //$NON-NLS-1$
				+ "}\n" //$NON-NLS-1$
				+ "function beforeGeneration( chart, scriptContext )" //$NON-NLS-1$
				+ "{baseAxises = chart.getBaseAxes();" //$NON-NLS-1$
				+ "for (i = 0; i < baseAxises.length; i++ )" //$NON-NLS-1$
				+ "{font = baseAxises[i].getLabel().getCaption( ).getFont( );" //$NON-NLS-1$
				+ "if ( font == null )" //$NON-NLS-1$
				+ "{font = FontDefinition.createEmpty();" //$NON-NLS-1$
				+ "baseAxises[i].getLabel().getCaption().setFont( font );" //$NON-NLS-1$
				+ "}" //$NON-NLS-1$
				+ "font.setSize( 20 );" //$NON-NLS-1$
				+ "orthAxises = chart.getOrthogonalAxes( baseAxises[i], true );" //$NON-NLS-1$
				+ "if ( orthAxises == null )" //$NON-NLS-1$
				+ "{continue;}" //$NON-NLS-1$
				+ "for (j = 0; j < orthAxises.length; j++ )" //$NON-NLS-1$
				+ "{font = orthAxises[j].getLabel().getCaption( ).getFont( );" //$NON-NLS-1$
				+ "if ( font == null )" //$NON-NLS-1$
				+ "{font = FontDefinition.createEmpty();" //$NON-NLS-1$
				+ "orthAxises[j].getLabel().getCaption().setFont( font );" //$NON-NLS-1$
				+ "}" //$NON-NLS-1$
				+ "font.setSize( 20 );" //$NON-NLS-1$
				+ "}}}" //$NON-NLS-1$
		);
		
		cwaBar.setType( "Bar Chart" ); //$NON-NLS-1$
		cwaBar.setSubType( "Side-by-side" ); //$NON-NLS-1$
		
		cwaBar.getTitle( ).getLabel( ).getCaption( ).setValue( "Axis Label Script Chart" ); //$NON-NLS-1$
		cwaBar.getLegend( ).setVisible( false );
		
		// X-Axis
		Axis xAxisPrimary = cwaBar.getPrimaryBaseAxes( )[0];
		xAxisPrimary.setType( AxisType.TEXT_LITERAL );
		xAxisPrimary.getOrigin( ).setType( IntersectionType.VALUE_LITERAL );

		// Y-Axis
		Axis yAxisPrimary = cwaBar.getPrimaryOrthogonalAxis( xAxisPrimary );
		yAxisPrimary.getMajorGrid( ).setTickStyle( TickStyle.LEFT_LITERAL );
		yAxisPrimary.setType( AxisType.LINEAR_LITERAL );

		// Data Set
		TextDataSet categoryValues = TextDataSetImpl.create( new String[]{
				"Item 1", "Item 2", "Item 3", "Item 4", "Item 5"} ); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
		NumberDataSet orthoValues = NumberDataSetImpl.create( new double[]{
				8, 18, -15, -8, 10
		} );

		SampleData sd = DataFactory.eINSTANCE.createSampleData( );
		BaseSampleData sdBase = DataFactory.eINSTANCE.createBaseSampleData( );
		sdBase.setDataSetRepresentation( "" );//$NON-NLS-1$
		sd.getBaseSampleData( ).add( sdBase );

		OrthogonalSampleData sdOrthogonal = DataFactory.eINSTANCE.createOrthogonalSampleData( );
		sdOrthogonal.setDataSetRepresentation( "" );//$NON-NLS-1$
		sdOrthogonal.setSeriesDefinitionIndex( 0 );
		sd.getOrthogonalSampleData( ).add( sdOrthogonal );
		
		cwaBar.setSampleData( sd );
		
		// X-Series
		Series seCategory = SeriesImpl.create( );
		seCategory.setDataSet( categoryValues );

		SeriesDefinition sdX = SeriesDefinitionImpl.create( );
		xAxisPrimary.getSeriesDefinitions( ).add( sdX );
		sdX.getSeries( ).add( seCategory );

		// Y-Series
		BarSeries bs = (BarSeries) BarSeriesImpl.create( );
		bs.setDataSet( orthoValues );
		bs.getLabel( ).setVisible( true );

		SeriesDefinition sdY = SeriesDefinitionImpl.create( );
		yAxisPrimary.getSeriesDefinitions( ).add( sdY );
		sdY.getSeries( ).add( bs );

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