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package reportbuilder;

import net.sf.jasperreports.engine.JRAbstractChartCustomizer;
import net.sf.jasperreports.engine.JRChart;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.*;
import org.jfree.chart.renderer.category.*;
import org.jfree.chart.labels.*;
import org.jfree.ui.*;
 
public class CustomizeBarChart extends JRAbstractChartCustomizer {
 
    @Override
    public void customize(JFreeChart chart, JRChart jasperChart) {
 
	CategoryPlot categoryPlot = chart.getCategoryPlot();
	BarRenderer renderer = (BarRenderer) categoryPlot.getRenderer();
 
	//Spaces between bars
	renderer.setItemMargin(0.0f);	
        
	//Label Rotation between bars                
        //180 องศา = -Math.PI 
        //90 องศา = -Math.PI / 2
        //60 องศา = -Math.PI / 3 
        //30 องศา = -Math.PI / 6 
        
        ItemLabelPosition itemLabelPosition = new ItemLabelPosition(
                ItemLabelAnchor.OUTSIDE12, TextAnchor.CENTER_LEFT,
                TextAnchor.CENTER_LEFT, -(Math.PI /2.5) );
        renderer.setBasePositiveItemLabelPosition(itemLabelPosition);
    }
}