import com.imsl.chart.*;
import java.text.DateFormat;
import java.util.*;

public class SampleHighLowClose extends JFrameChart {
    private double high[], low[], close[];
    
    public SampleHighLowClose() {
        Chart chart = getChart();
        AxisXY axis = new AxisXY(chart);
        
        // Date is June 27, 1999
        Date date = new GregorianCalendar(1999, 
        GregorianCalendar.JUNE, 27).getTime();
        
        int n = 30;
        createData(n);
        
        //	Create an instance of a HighLowClose Chart
        HighLowClose hilo = new HighLowClose(axis, date, high, low, close);
        hilo.setMarkerColor("blue");
        
        //	Set the HighLowClose Chart Title
        chart.getChartTitle().setTitle("Stock Prices");
        
        // Setup the x axis
        Axis1D axisX = axis.getAxisX();
        
        //	Set the text angle for the X axis labels
        axisX.getAxisLabel().setTextAngle(270);
        //	Change the text format to the local date format
        DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT);
        axisX.getAxisLabel().setTextFormat(df);
        
        // Setup the time axis
        hilo.setDateAxis("Date(SHORT)");
        
        // Turn on grid and make it light gray
        axisX.getGrid().setPaint(true);
        axisX.getGrid().setLineColor("lightgray");
        axis.getAxisY().getGrid().setPaint(true);
        axis.getAxisY().getGrid().setLineColor("lightgray");
    }
    
    
    private void createData(int n) {
        high = new double[n];
        low = new double[n];
        close = new double[n];
        Random r = new Random(123457);
        for (int k = 0;  k < n;  k++) {
            double f = r.nextDouble();
            if (k == 0) {
                close[0] = 100;
            } else {
                close[k] = (0.95+0.10*f)*close[k-1];
            }
            high[k] = close[k]*(1.+0.05*r.nextDouble());
            low[k] = close[k]*(1.-0.05*r.nextDouble());
        }
    }
    
    public static void main(String argv[]) {
        new SampleHighLowClose().setVisible(true);
    }
}