import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class overlapbar implements DemoModule
{
//Name of demo program
public String toString() { return "Overlapping Bar Chart"; }
//Number of charts produced in this demo
public int getNoOfCharts() { return 1; }
//Main code for creating charts
public void createChart(ChartViewer viewer, int index)
{
// The data for the bar chart
double[] data0 = {100, 125, 156, 147, 87, 124, 178, 109, 140, 106, 192, 122};
double[] data1 = {122, 156, 179, 211, 198, 177, 160, 220, 190, 188, 220, 270}
;
double[] data2 = {167, 190, 213, 267, 250, 320, 212, 199, 245, 267, 240, 310}
;
String[] labels = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sept", "Oct", "Nov", "Dec"};
// Create a XYChart object of size 580 x 280 pixels
XYChart c = new XYChart(580, 280);
// Add a title to the chart using 14 pts Arial Bold Italic font
c.addTitle("Product Revenue For Last 3 Years", "Arial Bold Italic", 14);
// Set the plot area at (50, 50) and of size 500 x 200. Use two alternative
// background colors (f8f8f8 and ffffff)
c.setPlotArea(50, 50, 500, 200, 0xf8f8f8, 0xffffff);
// Add a legend box at (50, 25) using horizontal layout. Use 8pts Arial as
// font, with transparent background.
c.addLegend(50, 25, false, "Arial", 8).setBackground(Chart.Transparent);
// Set the x axis labels
c.xAxis().setLabels(labels);
// Draw the ticks between label positions (instead of at label positions)
c.xAxis().setTickOffset(0.5);
// Add a multi-bar layer with 3 data sets
BarLayer layer = c.addBarLayer2(Chart.Side);
layer.addDataSet(data0, 0xff8080, "Year 2003");
layer.addDataSet(data1, 0x80ff80, "Year 2004");
layer.addDataSet(data2, 0x8080ff, "Year 2005");
// Set 50% overlap between bars
layer.setOverlapRatio(0.5);
// Add a title to the y-axis
c.yAxis().setTitle("Revenue (USD in millions)");
// Output the chart
viewer.setChart(c);
//include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable", "",
"title='{xLabel} Revenue on {dataSetName}: {value} millions'"));
}
//Allow this module to run as standalone program for easy testing
public static void main(String[] args)
{
//Instantiate an instance of this demo module
DemoModule demo = new overlapbar();
//Create and set up the main window
JFrame frame = new JFrame(demo.toString());
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {System.exit(0);} });
frame.getContentPane().setBackground(Color.white);
// Create the chart and put them in the content pane
ChartViewer viewer = new ChartViewer();
demo.createChart(viewer, 0);
frame.getContentPane().add(viewer);
// Display the window
frame.pack();
frame.setVisible(true);
}
} |