import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class stackedarea implements DemoModule
{
//Name of demo program
public String toString() { return "Stacked Area 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 area chart
double[] data0 = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, 56, 60,
70, 76, 63, 67, 75, 64, 51};
double[] data1 = {50, 45, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58, 59,
73, 77, 84, 82, 80, 84, 89};
double[] data2 = {61, 79, 85, 66, 53, 39, 24, 21, 37, 56, 37, 22, 21, 33, 13, 17, 4, 23, 16,
25, 9, 10, 5, 7, 16};
String[] labels = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13",
"14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"};
// Create a XYChart object of size 300 x 210 pixels. Set the background to pale yellow
// (0xffffc0) with a black border (0x0)
XYChart c = new XYChart(300, 210, 0xffffc0, 0x000000);
// Set the plotarea at (50, 30) and of size 240 x 140 pixels. Use white (0xffffff)
// background.
c.setPlotArea(50, 30, 240, 140).setBackground(0xffffff);
// Add a legend box at (50, 185) (below of plot area) using horizontal layout. Use 8pt Arial
// font with Transparent background.
c.addLegend(50, 185, false, "", 8).setBackground(Chart.Transparent);
// Add a title box to the chart using 8pt Arial Bold font, with yellow (0xffff40) background
// and a black border (0x0)
c.addTitle("Sales Volume", "Arial Bold", 8).setBackground(0xffff40, 0);
// Set the y axis label format to US$nnnn
c.yAxis().setLabelFormat("US${value}");
// Set the labels on the x axis.
c.xAxis().setLabels(labels);
// Display 1 out of 2 labels on the x-axis. Show minor ticks for remaining labels.
c.xAxis().setLabelStep(2, 1);
// Add an stack area layer with three data sets
AreaLayer layer = c.addAreaLayer2(Chart.Stack);
layer.addDataSet(data0, 0x4040ff, "Store #1");
layer.addDataSet(data1, 0xff4040, "Store #2");
layer.addDataSet(data2, 0x40ff40, "Store #3");
// Output the chart
viewer.setChart(c);
//include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable", "",
"title='{dataSetName} sales at hour {xLabel}: US${value}K'"));
}
//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 stackedarea();
//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);
}
} |