import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class markzone2 implements DemoModule
{
//Name of demo program
public String toString() { return "Marks and Zones (2)"; }
//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 chart
double[] data = {50, 55, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58, 59, 73,
77, 84, 82, 80, 84, 89};
// The labels for the chart. Note the "-" means a minor tick.
String[] labels = {"0\nJun 4", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11",
"12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "0\nJun 5"};
// Create a XYChart object of size 400 x 270 pixels
XYChart c = new XYChart(400, 270);
// Set the plotarea at (80, 25) and of size 300 x 200 pixels. Use alternate color background
// (0xeeeeee) and (0xffffff). Set border and grid colors to grey (0xc0c0c0).
c.setPlotArea(50, 25, 300, 200, 0xeeeeee, 0xffffff, 0xc0c0c0, 0xc0c0c0, 0xc0c0c0);
// Add a title to the chart using 14pt Times Bold Italic font
c.addTitle("Server Monitor", "Times New Roman Bold Italic", 14);
// Add a title to the y axis
c.yAxis().setTitle("Server Load (MBytes)");
// Set the y axis width to 2 pixels
c.yAxis().setWidth(2);
// Set the labels on the x axis.
c.xAxis().setLabels(labels);
// Display 1 out of 3 labels on the x-axis. Show minor ticks for remaining labels.
c.xAxis().setLabelStep(3, 1);
// Set the x axis width to 2 pixels
c.xAxis().setWidth(2);
// Add a horizontal red (0x800080) mark line at y = 80
Mark yMark = c.yAxis().addMark(80, 0xff0000, "Critical Threshold Set Point");
// Set the mark line width to 2 pixels
yMark.setLineWidth(2);
// Put the mark label at the top center of the mark line
yMark.setAlignment(Chart.TopCenter);
// Add an orange (0xffcc66) zone from x = 18 to x = 20
c.xAxis().addZone(18, 20, 0xffcc66);
// Add a vertical brown (0x995500) mark line at x = 18
Mark xMark1 = c.xAxis().addMark(18, 0x995500, "Backup Start");
// Set the mark line width to 2 pixels
xMark1.setLineWidth(2);
// Put the mark label at the left of the mark line
xMark1.setAlignment(Chart.Left);
// Rotate the mark label by 90 degrees so it draws vertically
xMark1.setFontAngle(90);
// Add a vertical brown (0x995500) mark line at x = 20
Mark xMark2 = c.xAxis().addMark(20, 0x995500, "Backup End");
// Set the mark line width to 2 pixels
xMark2.setLineWidth(2);
// Put the mark label at the right of the mark line
xMark2.setAlignment(Chart.Right);
// Rotate the mark label by 90 degrees so it draws vertically
xMark2.setFontAngle(90);
// Add a green (0x00cc00) line layer with line width of 2 pixels
c.addLineLayer(data, 0x00cc00).setLineWidth(2);
// Output the chart
viewer.setChart(c);
//include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable", "",
"title='Load at {x}:00 = {value} MBytes'"));
}
//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 markzone2();
//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);
}
} |