import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class multibar implements DemoModule
{
//Name of demo program
public String toString() { return "Multi-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 chartIndex)
{
// The data for the bar chart
double[] data0 = {100, 125, 245, 147, 67};
double[] data1 = {85, 156, 179, 211, 123};
double[] data2 = {97, 87, 56, 267, 157};
String[] labels = {"Mon", "Tue", "Wed", "Thu", "Fri"};
// Create a XYChart object of size 400 x 240 pixels
XYChart c = new XYChart(400, 240);
// Add a title to the chart using 10 pt Arial font
c.addTitle(" Average Weekday Network Load", "", 10);
// Set the plot area at (50, 25) and of size 320 x 180. Use two alternative background
// colors (0xffffc0 and 0xffffe0)
c.setPlotArea(50, 25, 320, 180, 0xffffc0, 0xffffe0);
// Add a legend box at (55, 18) using horizontal layout. Use 8 pt Arial font, with
// transparent background
c.addLegend(55, 18, false, "", 8).setBackground(Chart.Transparent);
// Add a title to the y-axis
c.yAxis().setTitle("Throughput (MBytes Per Hour)");
// Reserve 20 pixels at the top of the y-axis for the legend box
c.yAxis().setTopMargin(20);
// Set the x axis labels
c.xAxis().setLabels(labels);
// Add a multi-bar layer with 3 data sets and 3 pixels 3D depth
BarLayer layer = c.addBarLayer2(Chart.Side, 3);
layer.addDataSet(data0, 0xff8080, "Server #1");
layer.addDataSet(data1, 0x80ff80, "Server #2");
layer.addDataSet(data2, 0x8080ff, "Server #3");
// Output the chart
viewer.setChart(c);
//include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable", "",
"title='{dataSetName} on {xLabel}: {value} MBytes/hour'"));
}
//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 multibar();
//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);
}
} |