import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import ChartDirector.*;
public class xzonecolor implements DemoModule
{
//Name of demo program
public String toString() { return "X Zone Coloring"; }
//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 = {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 error data representing the error band around the data points
double[] errData = {5, 6, 5.1, 6.5, 6.6, 8, 5.4, 5.1, 4.6, 5.0, 5.2, 6.0,
4.9, 5.6, 4.8, 6.2, 7.4, 7.1, 6.5, 9.6, 12.1, 15.3, 18.5, 20.9, 24.1};
// The timestamps for the data
Date[] labels = {new GregorianCalendar(2001, 0, 1).getTime(),
new GregorianCalendar(2001, 1, 1).getTime(), new GregorianCalendar(2001,
2, 1).getTime(), new GregorianCalendar(2001, 3, 1).getTime(),
new GregorianCalendar(2001, 4, 1).getTime(), new GregorianCalendar(2001,
5, 1).getTime(), new GregorianCalendar(2001, 6, 1).getTime(),
new GregorianCalendar(2001, 7, 1).getTime(), new GregorianCalendar(2001,
8, 1).getTime(), new GregorianCalendar(2001, 9, 1).getTime(),
new GregorianCalendar(2001, 10, 1).getTime(), new GregorianCalendar(2001,
11, 1).getTime(), new GregorianCalendar(2002, 0, 1).getTime(),
new GregorianCalendar(2002, 1, 1).getTime(), new GregorianCalendar(2002,
2, 1).getTime(), new GregorianCalendar(2002, 3, 1).getTime(),
new GregorianCalendar(2002, 4, 1).getTime(), new GregorianCalendar(2002,
5, 1).getTime(), new GregorianCalendar(2002, 6, 1).getTime(),
new GregorianCalendar(2002, 7, 1).getTime(), new GregorianCalendar(2002,
8, 1).getTime(), new GregorianCalendar(2002, 9, 1).getTime(),
new GregorianCalendar(2002, 10, 1).getTime(), new GregorianCalendar(2002,
11, 1).getTime(), new GregorianCalendar(2003, 0, 1).getTime()};
// Create a XYChart object of size 550 x 220 pixels
XYChart c = new XYChart(550, 220);
// Set the plot area at (50, 10) and of size 480 x 180 pixels. Enabled both
// vertical and horizontal grids by setting their colors to light grey
// (cccccc)
c.setPlotArea(50, 10, 480, 180).setGridColor(0xcccccc, 0xcccccc);
// Add a legend box (50, 10) (top of plot area) using horizontal layout. Use
// 8 pts Arial font. Disable bounding box (set border to transparent).
LegendBox legendBox = c.addLegend(50, 10, false, "", 8);
legendBox.setBackground(Chart.Transparent);
// Add keys to the legend box to explain the color zones
legendBox.addKey("Historical", 0x9999ff);
legendBox.addKey("Forecast", 0xff9966);
// Add a title to the y axis.
c.yAxis().setTitle("Energy Consumption");
// Set the labels on the x axis
c.xAxis().setLabels2(labels);
// Set multi-style axis label formatting. Use Arial Bold font for yearly
// labels and display them as "yyyy". Use default font for monthly labels and
// display them as "mmm". Replace some labels with minor ticks to ensure the
// labels are at least 3 units apart.
c.xAxis().setMultiFormat(Chart.StartOfYearFilter(),
"<*font=Arial Bold*>{value|yyyy}", Chart.StartOfMonthFilter(),
"{value|mmm}", 3);
// Add a line layer to the chart
LineLayer layer = c.addLineLayer2();
// Create the color to draw the data line. The line is blue (0x333399) to the
// left of x = 18, and become a red (0xd04040) dash line to the right of x =
// 18.
int lineColor = layer.xZoneColor(18, 0x333399, c.dashLineColor(0xd04040,
Chart.DashLine));
// Add the data line
layer.addDataSet(data, lineColor, "Average");
// We are not showing the data set name in the legend box. The name is for
// showing in tool tips only.
layer.setLegend(Chart.NoLegend);
// Create the color to draw the err zone. The color is semi-transparent blue
// (0x809999ff) to the left of x = 18, and become semi-transparent red
// (0x80ff9966) to the right of x = 18.
int errColor = layer.xZoneColor(18, 0x809999ff, 0x80ff9966);
// Add the upper border of the err zone
layer.addDataSet(new ArrayMath(data).add(errData).result(), errColor,
"Upper bound");
// Add the lower border of the err zone
layer.addDataSet(new ArrayMath(data).sub(errData).result(), errColor,
"Lower bound");
// Set the default line width to 2 pixels
layer.setLineWidth(2);
// In this example, we are not showing the data set name in the legend box
layer.setLegend(Chart.NoLegend);
// Color the region between the err zone lines
c.addInterLineLayer(layer.getLine(1), layer.getLine(2), errColor);
// Output the chart
viewer.setChart(c);
// Include tool tip for the chart.
viewer.setImageMap(c.getHTMLImageMap("clickable", "",
"title='{dataSetName} on {xLabel|mmm yyyy}: {value} MJoule'"));
}
//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 xzonecolor();
//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);
}
} |