import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class markzone implements DemoModule
{
//Name of demo program
public String toString() { return "Marks and Zones (1)"; }
//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 chart
double[] data = {40, 45, 37, 24, 32, 39, 53, 52, 63, 49, 46, 40, 54, 50, 57,
57, 48, 49, 63, 67, 74, 72, 70, 89, 74};
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, 60) and of size 300 x 200 pixels. Turn off the
// grid lines by setting their colors to Transparent.
c.setPlotArea(80, 28, 300, 200).setGridColor(Chart.Transparent);
// Add a title to the y axis
ChartDirector.TextBox textbox = c.yAxis().setTitle("Temperature");
// Set the y axis title upright (font angle = 0)
textbox.setFontAngle(0);
// Put the y axis title on top of the axis
textbox.setAlignment(Chart.TopLeft2);
// Add green (0x99ff99), yellow (0xffff99) and red (0xff9999) zones to the y
// axis to represent the ranges 0 - 50, 50 - 80, and 80 - max.
c.yAxis().addZone(0, 50, 0x99ff99);
c.yAxis().addZone(50, 80, 0xffff99);
c.yAxis().addZone(80, 9999, 0xff9999);
// Add a purple (0x800080) mark at y = 70 using a line width of 2.
c.yAxis().addMark(70, 0x800080, "Alert = 70").setLineWidth(2);
// Add a green (0x008000) mark at y = 40 using a line width of 2.
c.yAxis().addMark(40, 0x008000, "Watch = 40").setLineWidth(2);
// Add a legend box at (165, 0) (top right of the chart) using 8 pts Arial
// font. and horizontal layout.
LegendBox legend = c.addLegend(165, 0, false, "Arial Bold", 8);
// Disable the legend box boundary by setting the colors to Transparent
legend.setBackground(Chart.Transparent, Chart.Transparent);
// Add 3 custom entries to the legend box to represent the 3 zones
legend.addKey("Normal", 0x80ff80);
legend.addKey("Warning", 0xffff80);
legend.addKey("Critical", 0xff8080);
// 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);
// Add a 3D bar layer with the given data
BarLayer layer = c.addBarLayer(data, 0xbbbbff);
// Set the bar gap to 0 so that the bars are packed tightly
layer.setBarGap(0);
// Set the border color of the bars same as the fill color, with 1 pixel 3D
// border effect.
layer.setBorderColor(Chart.SameAsMainColor, 1);
// Output the chart
viewer.setChart(c);
//include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable", "",
"title='Temperature at {x}:00 = {value} C'"));
}
//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 markzone();
//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);
}
} |