Code to create a bar and line chart

Code to create bar and line charts both in same frame but in seperate panels. In this we have values on the top of the bars and re-scaling is done using tick units in both charts related to the data present. Two classes 1. MyLineChart and 2. TestMyLineChart


MyLineChart.java

mport javax.swing.JPanel;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.LogAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.NumberTickUnit;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.CategoryItemLabelGenerator;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.data.Range;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import java.awt.*;
import java.text.DecimalFormat;



public class MyLineChart extends JPanel{

/**
*
*/
private static final long serialVersionUID = 1L;

/**
*
*/
//private static final long serialVersionUID = 1L;




public MyLineChart(final String title) {

super();

CategoryDataset dataset = createDataset();
final JFreeChart chart = createChart(dataset);
final JFreeChart chart2 = createChart2(dataset);

CategoryPlot plot = chart2.getCategoryPlot();

BarRenderer renderer = (BarRenderer) plot.getRenderer();
DecimalFormat decimalformat1 = new DecimalFormat("###.0");
renderer.setItemLabelGenerator(new StandardCategoryItemLabelGenerator("{2}",decimalformat1));
renderer.setItemLabelsVisible(true);
//double r = renderer.getUpperClip();

//set the range axis to display integers...
final NumberAxis rangeaxis = (NumberAxis) plot.getRangeAxis();

NumberTickUnit tick = new NumberTickUnit(rangeaxis.getUpperBound()/2);
rangeaxis.setTickUnit(tick);

//rangeaxis.getTickLabelFont();




//CategoryAxis domainaxis = plot.getDomainAxis();
//domainaxis.setCategoryMargin(1.0);




//renderer.setItemMargin(0.30);




// this.setLayout(new BorderLayout);
ChartPanel panel = new ChartPanel(chart);
ChartPanel panel2 = new ChartPanel(chart2);
panel.setPreferredSize(new Dimension(400,300));
panel2.setPreferredSize(new Dimension(600,400));
this.add(panel);
this.add(panel2);

}









private CategoryDataset createDataset()
{
String series1 = "First";
String series2 = "Second";
String series3 = "Third";

String category1 = "2001";
String category2 = "2002";
String category3 = "2003";

/*Number number1 = new Integer(20);
Number number2 = new Integer (35);
Number number3 = new Integer (50);*/


DefaultCategoryDataset dataset= new DefaultCategoryDataset();

dataset.addValue(1111.0, series1, category1);
dataset.addValue(4444.0, series1, category2);
dataset.addValue(3333.0, series1, category3);


dataset.addValue(5555.0, series2, category1);
dataset.addValue(7777.0, series2, category2);
dataset.addValue(6666.0, series2, category3);


dataset.addValue(44444.0, series3, category1);
dataset.addValue(333.0, series3, category2);
dataset.addValue(2222.0, series3, category3);

return dataset;

}

private JFreeChart createChart(final CategoryDataset dataset) {

// create the chart...
final JFreeChart chart = ChartFactory.createLineChart(
"Line Chart ", // chart title
"Type", // domain axis label
"Value", // range axis label
dataset, // data
PlotOrientation.VERTICAL, // orientation
true, // include legend
true, // tooltips
false // urls
);


// NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
// final StandardLegend legend = (StandardLegend) chart.getLegend();
// legend.setDisplaySeriesShapes(true);
// legend.setShapeScaleX(1.5);
// legend.setShapeScaleY(1.5);
//legend.setDisplaySeriesLines(true);
chart.setBackgroundPaint(Color.white);

final CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.setBackgroundPaint(Color.BLACK);
plot.setRangeGridlinePaint(Color.white);


final NumberAxis rangeaxis = (NumberAxis) plot.getRangeAxis();

NumberTickUnit tick = new NumberTickUnit(rangeaxis.getUpperBound()/2);
rangeaxis.setTickUnit(tick);



/*renderer.setSeriesStroke(
0, new BasicStroke(
2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND,
1.0f, new float[] {10.0f, 6.0f}, 0.0f
)
);
renderer.setSeriesStroke(
1, new BasicStroke(
2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND,
1.0f, new float[] {6.0f, 6.0f}, 0.0f
)
);
renderer.setSeriesStroke(
2, new BasicStroke(
2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND,
1.0f, new float[] {2.0f, 6.0f}, 0.0f
)
);
// OPTIONAL CUSTOMISATION COMPLETED.*/

return chart;

}
private JFreeChart createChart2(CategoryDataset dataset) {
final JFreeChart chart2 = ChartFactory.createBarChart(
"Bar Chart", // chart title
"Type", // domain axis label
"Value", // range axis label
dataset, // data
PlotOrientation.VERTICAL, // orientation
true, // include legend
false, // tooltips
false // urls
);

return chart2;
}
}




TestMyLineChart.java


import javax.swing.JFrame;



public class TestMyLineChart {

public static void main (String[] args)
{
MyLineChart bar = new MyLineChart("Line and Bar Chart");
JFrame frame = new JFrame("Line Chart");
frame.setVisible(true);
//frame.setLayout(BorderLayout);
frame.add(bar);
frame.setSize(800, 700);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

}