import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class stackedbar implements DemoModule
{
//Name of demo program
public String toString() { return "Stacked 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, 245, 147, 67};
double[] data1 = {85, 156, 179, 211, 123};
double[] data2 = {97, 87, 56, 267, 157};
// The labels for the bar chart
String[] labels = {"Mon", "Tue", "Wed", "Thu", "Fri"};
// Create a XYChart object of size 500 x 320 pixels
XYChart c = new XYChart(500, 320);
// Set the plotarea at (100, 40) and of size 280 x 240 pixels
c.setPlotArea(100, 40, 280, 240);
// Add a legend box at (400, 100)
c.addLegend(400, 100);
// Add a title to the chart using 14 points Times Bold Itatic font
c.addTitle("Weekday Network Load", "Times New Roman Bold Italic", 14);
// Add a title to the y axis. Draw the title upright (font angle = 0)
c.yAxis().setTitle("Average\nWorkload\n(MBytes\nPer Hour)").setFontAngle(0);
// Set the labels on the x axis
c.xAxis().setLabels(labels);
// Add a stacked bar layer and set the layer 3D depth to 8 pixels
BarLayer layer = c.addBarLayer2(Chart.Stack, 8);
// Add the three data sets to the bar layer
layer.addDataSet(data0, 0xff8080, "Server # 1");
layer.addDataSet(data1, 0x80ff80, "Server # 2");
layer.addDataSet(data2, 0x8080ff, "Server # 3");
// Enable bar label for the whole bar
layer.setAggregateLabelStyle();
// Enable bar label for each segment of the stacked bar
layer.setDataLabelStyle();
// 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 stackedbar();
//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);
}
} |