Example usage for org.jfree.data.time Day getYear

Introduction

In this page you can find the example usage for org.jfree.data.time Day getYear.

Prototype

public int getYear() 

Source Link

Document

Returns the year.

Usage

From source file:org.jfree.data.time.DayTest.java

/**
 * Some checks for the testNext() method.
 *///  w ww  .  j  a v a2  s. com
@Test
public void testNext() {
    Day d = new Day(25, 12, 2000);
    d = (Day) d.next();
    assertEquals(2000, d.getYear());
    assertEquals(12, d.getMonth());
    assertEquals(26, d.getDayOfMonth());
    d = new Day(31, 12, 9999);
    assertNull(d.next());
}

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From source file:org.jfree.data.time.junit.DayTest.java

/**
 * Some checks for the testNext() method.
 *//*  www .j  av a2s  . c om*/
public void testNext() {
    Day d = new Day(25, 12, 2000);
    d = (Day) d.next();
    assertEquals(2000, d.getYear());
    assertEquals(12, d.getMonth());
    assertEquals(26, d.getDayOfMonth());
    d = new Day(31, 12, 9999);
    assertNull(d.next());
}

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From source file:org.yccheok.jstock.gui.charting.ChartJDialog.java

/**
 * Zoom in to this chart with specific amount of time.
 * @param field the calendar field./*from   ww  w.j  av  a  2  s . com*/
 * @param amount the amount of date or time to be added to the field.
 */
private void _zoom(int field, int amount) {
    this.chartPanel.restoreAutoBounds();

    final int itemCount = this.priceTimeSeries.getItemCount();
    final Day day = (Day) this.priceTimeSeries.getDataItem(itemCount - 1).getPeriod();
    // Candle stick takes up half day space.
    // Volume price chart's volume information takes up whole day space.
    final long end = day.getFirstMillisecond()
            + (this.getCurrentType() == Type.Candlestick ? (1000 * 60 * 60 * 12) : (1000 * 60 * 60 * 24 - 1));
    final Calendar calendar = Calendar.getInstance();
    // -1. Calendar's month is 0 based but JFreeChart's month is 1 based.
    calendar.set(day.getYear(), day.getMonth() - 1, day.getDayOfMonth(), 0, 0, 0);
    calendar.set(Calendar.MILLISECOND, 0);

    calendar.add(field, amount);
    // Candle stick takes up half day space.
    // Volume price chart's volume information does not take up any space.
    final long start = Math.max(0, calendar.getTimeInMillis()
            - (this.getCurrentType() == Type.Candlestick ? (1000 * 60 * 60 * 12) : 0));
    final ValueAxis valueAxis = this.getPlot().getDomainAxis();

    if (priceTimeSeries.getItemCount() > 0) {
        if (start < priceTimeSeries.getTimePeriod(0).getFirstMillisecond()) {
            // To prevent zoom-out too much.
            // This happens when user demands for 10 years zoom, where we
            // are only having 5 years data.
            return;
        }
    }

    valueAxis.setRange(start, end);

    double min = Double.MAX_VALUE;
    double max = Double.MIN_VALUE;
    double max_volume = Double.MIN_VALUE;
    final DefaultHighLowDataset defaultHighLowDataset = (DefaultHighLowDataset) this.priceOHLCDataset;

    for (int i = itemCount - 1; i >= 0; i--) {
        final TimeSeriesDataItem item = this.priceTimeSeries.getDataItem(i);
        final Day d = (Day) item.getPeriod();
        if (d.getFirstMillisecond() < start) {
            break;
        }

        final double high = defaultHighLowDataset.getHighValue(0, i);
        final double low = defaultHighLowDataset.getLowValue(0, i);
        final double volume = defaultHighLowDataset.getVolumeValue(0, i);

        if (max < high) {
            max = high;
        }
        if (min > low) {
            min = low;
        }
        if (max_volume < volume) {
            max_volume = volume;
        }
    }

    if (min > max) {
        return;
    }

    final ValueAxis rangeAxis = this.getPlot().getRangeAxis();
    final Range rangeAxisRange = rangeAxis.getRange();
    // Increase each side by 1%
    double tolerance = 0.01 * (max - min);
    // The tolerance must within range [0.01, 1.0]
    tolerance = Math.min(Math.max(0.01, tolerance), 1.0);
    // The range must within the original chart range.
    min = Math.max(rangeAxisRange.getLowerBound(), min - tolerance);
    max = Math.min(rangeAxisRange.getUpperBound(), max + tolerance);

    this.getPlot().getRangeAxis().setRange(min, max);

    if (this.getPlot().getRangeAxisCount() > 1) {
        final double volumeUpperBound = this.getPlot().getRangeAxis(1).getRange().getUpperBound();
        final double suggestedVolumneUpperBound = max_volume * 4;
        // To prevent over zoom-in.
        if (suggestedVolumneUpperBound < volumeUpperBound) {
            this.getPlot().getRangeAxis(1).setRange(0, suggestedVolumneUpperBound);
        }
    }
}

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