import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class linefill implements DemoModule
{
//Name of demo program
public String toString() { return "Inter-Line 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 line chart
double[] data0 = {70, 73, 80, 90, 95, 93, 82, 77, 82, 101, 111, 115};
double[] data1 = {90, 96, 89, 77, 82, 96, 109, 109, 99, 108, 96, 91};
double[] data2 = {58, 34, 25, 49, 64, 10, 16, 40, 25, 49, 40, 22};
// The labels for the line chart
String[] labels = {"2008-01", "2008-02", "2008-03", "2008-04", "2008-05",
"2008-06", "2008-07", "2008-08", "2008-09", "2008-10", "2008-11",
"2008-12"};
// Create a XYChart object of size 450 x 450 pixels
XYChart c = new XYChart(450, 450);
// Add a title to the chart using 15 pts Arial Italic font.
TextBox title = c.addTitle("Inter-line Coloring", "Arial Italic", 15);
// Add a legend box where the top-center is anchored to the horizontal center
// of the chart, just under the title. Use horizontal layout and 10 points
// Arial Bold font, and transparent background and border. Use line style
// legend key.
LegendBox legendBox = c.addLegend(c.getWidth() / 2, title.getHeight(), false,
"Arial Bold Italic", 10);
legendBox.setBackground(Chart.Transparent, Chart.Transparent);
legendBox.setAlignment(Chart.TopCenter);
legendBox.setLineStyleKey();
// Tentatively set the plotarea at (70, 65) and of (chart_width - 100) x
// (chart_height - 110) in size. Use light grey (c0c0c0) border and
// horizontal and vertical grid lines.
PlotArea plotArea = c.setPlotArea(70, 65, c.getWidth() - 100, c.getHeight() -
110, -1, -1, 0xc0c0c0, 0xc0c0c0, -1);
// Add a title to the y axis using 12 pts Arial Bold Italic font
c.yAxis().setTitle("Axis Title Placeholder", "Arial Bold Italic", 12);
// Add a title to the x axis using 12 pts Arial Bold Italic font
c.xAxis().setTitle("Axis Title Placeholder", "Arial Bold Italic", 12);
// Set the axes line width to 3 pixels
c.xAxis().setWidth(3);
c.yAxis().setWidth(3);
// Set the labels on the x axis.
c.xAxis().setLabels(labels);
// Use 8 points Arial rotated by 90 degrees as the x-axis label font
c.xAxis().setLabelStyle("Arial", 8, Chart.TextColor, 90);
// Add a spline curve to the chart
SplineLayer layer0 = c.addSplineLayer(data0, 0xff0000, "Data Set 0");
layer0.setLineWidth(2);
// Add a normal line to the chart
LineLayer layer1 = c.addLineLayer(data1, 0x008800, "Data Set 1");
layer1.setLineWidth(2);
// Color the region between the above spline curve and normal line. Use the
// semi-transparent red (80ff000000) if the spline curve is higher than the
// normal line, otherwise use semi-transparent green (80008800)
c.addInterLineLayer(layer0.getLine(), layer1.getLine(), 0x80ff0000,
0x80008800);
// Add another normal line to the chart
LineLayer layer2 = c.addLineLayer(data2, 0x0000ff, "Data Set 2");
layer2.setLineWidth(2);
// Add a horizontal mark line to the chart at y = 40
Mark mark = c.yAxis().addMark(40, -1, "Threshold");
mark.setLineWidth(2);
// Set the mark line to purple (880088) dash line. Use white (ffffff) for the
// mark label.
mark.setMarkColor(c.dashLineColor(0x880088), 0xffffff);
// Put the mark label at the left side of the mark, with a purple (880088)
// background.
mark.setAlignment(Chart.Left);
mark.setBackground(0x880088);
// Color the region between the above normal line and mark line. Use the
// semi-transparent blue (800000ff) if the normal line is higher than the
// mark line, otherwise use semi-transparent purple (80880088)
c.addInterLineLayer(layer2.getLine(), mark.getLine(), 0x800000ff, 0x80880088)
;
// Layout the legend box, so we can get its height
c.layoutLegend();
// Adjust the plot area size, such that the bounding box (inclusive of axes)
// is 10 pixels from the left edge, just under the legend box, 25 pixels from
// the right edge, and 10 pixels from the bottom edge.
c.packPlotArea(10, legendBox.getTopY() + legendBox.getHeight(), c.getWidth()
- 25, c.getHeight() - 10);
// After determining the exact plot area position, we may adjust the legend
// box and the title positions so that they are centered relative to the plot
// area (instead of the chart)
legendBox.setPos(plotArea.getLeftX() + (plotArea.getWidth() -
legendBox.getWidth()) / 2, legendBox.getTopY());
title.setPos(plotArea.getLeftX() + (plotArea.getWidth() - title.getWidth()) /
2, title.getTopY());
// Output the chart
viewer.setChart(c);
//include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable", "",
"title='{dataSetName} in {xLabel}: {value}'"));
}
//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 linefill();
//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);
}
} |