Steema Central

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Series.delete(int index),

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candleChart.delete(0);

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package test;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.steema.teechart.DateTimeStep;
import com.steema.teechart.TChart;
import com.steema.teechart.styles.Candle;
import com.steema.teechart.styles.CandleStyle;
import com.steema.teechart.styles.SeriesOHLCPoint;

public class TeeChartTest extends JPanel {

	private static final Log LOG = LogFactory.getLog(TeeChartTest.class);

	private TChart chart;
	private Candle candleChart;
	private DateFormat dateFormat = new SimpleDateFormat("HH:mm:ss");

	public TeeChartTest() {
		initializeChart();
		initializeCandleSeries();
		add(chart, BorderLayout.CENTER);
		JButton addButton = new JButton("Add Data");
		addButton.addActionListener(new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent e) {
				addData();
			}
		});
		JButton deleteButton = new JButton("Delete Point");
		deleteButton.addActionListener(new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent e) {
				deleteFirstPoint();
			}
		});
		JPanel buttonPanel = new JPanel(new BorderLayout());
		buttonPanel.add(addButton, BorderLayout.WEST);
		buttonPanel.add(deleteButton, BorderLayout.EAST);

		add(buttonPanel, BorderLayout.SOUTH);
	}

	private void deleteFirstPoint() {
		if (candleChart.getCount() == 0) {
			LOG.info("No points present");
			return;
		}
		LOG.info("Points summary before deletion:");
		LOG.info(logPoints());
		candleChart.delete(0);
		LOG.info("First point deleted");
		LOG.info("Points summary after deletion:");
		LOG.info(logPoints());
	}

	private String logPoints() {
		StringBuffer result = new StringBuffer();
		int count = candleChart.getCount();
		for (int i = 0; i < count; i++) {
			SeriesOHLCPoint point = candleChart.getOHLCPoint(i);
			result.append(System.getProperty("line.separator"));
			try {
				result.append(Integer.toString(i) + " X value:" + dateFormat.format(point.getDate()) + " Open:"
						+ point.getOpen() + " High:" + point.getHigh() + " Low:" + point.getLow() + " Close:"
						+ point.getClose());
			} catch (Throwable t) {
				LOG.error("Problem logging point", t);
			}
		}
		return result.toString();
	}

	private void addData() {
		if (candleChart.getCount() > 0) {
			LOG.info("Data Cleared");
			candleChart.clear();
		}
		try {
			// time, open, high, low, close
			candleChart.add(dateFormat.parse("08:54:00").getTime(), 1.59465, 1.59845, 1.59465, 1.59845);
			candleChart.add(dateFormat.parse("08:55:00").getTime(), 1.59908, 1.6033, 1.59908, 1.60087);
			candleChart.add(dateFormat.parse("08:56:00").getTime(), 1.60083, 1.60087, 1.59798, 1.60083);
			candleChart.add(dateFormat.parse("08:57:00").getTime(), 1.60087, 1.60087, 1.59524, 1.59555);
			candleChart.add(dateFormat.parse("08:58:00").getTime(), 1.59524, 1.5976, 1.59155, 1.59155);
			LOG.info("Data Added");
		} catch (ParseException e) {
			LOG.error(e);
		}
	}

	private void initializeCandleSeries() {
		candleChart = new Candle(chart.getChart());
		candleChart.setStyle(CandleStyle.CANDLESTICK);
		chart.addSeries(candleChart);
	}

	private void initializeChart() {
		chart = new TChart();
		chart.setForeground(com.steema.teechart.drawing.Color.WHITE);
		chart.setOpaque(false);
		chart.getAxes().getBottom().getLabels().setDateTimeFormat("HH:mm:ss");
		chart.getAxes().getBottom().setIncrement(DateTimeStep.ONEMINUTE);
		chart.getAxes().getBottom().getLabels().setDateTimeFormat("HH:mm");
		chart.getAxes().getBottom().setAutomatic(true);
		chart.getAxes().getLeft().setAutomatic(true);
	}

	public static void main(String[] args) throws Exception {
		JFrame f = new JFrame();
		f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		f.add(new TeeChartTest());
		f.setSize(500, 500);
		f.setLocation(100, 100);
		f.setVisible(true);
	}

}

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    private void deleteCandleAt(com.steema.teechart.styles.Candle candle, int ValueIndex) {
        candle.getXValues().removeAt(ValueIndex);
        candle.getLowValues().removeAt(ValueIndex);
        candle.getCloseValues().removeAt(ValueIndex);
        candle.getHighValues().removeAt(ValueIndex);
        candle.getOpenValues().removeAt(ValueIndex);

        candle.repaint();
    }