Examples with DateRange org.jfree.data.time.DateRange used on opensource projects

Example 11 with DateRange

use of org.jfree.data.time.DateRange in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class DateAxis method java2DToValue.

/**
 * Translates a Java2D coordinate into the corresponding data value.  To
 * perform this translation, you need to know the area used for plotting
 * data, and which edge the axis is located on.
 *
 * @param java2DValue  the coordinate in Java2D space.
 * @param area  the rectangle (in Java2D space) where the data is to be
 *              plotted.
 * @param edge  the axis location.
 *
 * @return A data value.
 */
@Override
public double java2DToValue(double java2DValue, Rectangle2D area, RectangleEdge edge) {
    DateRange range = (DateRange) getRange();
    double axisMin = this.timeline.toTimelineValue(range.getLowerMillis());
    double axisMax = this.timeline.toTimelineValue(range.getUpperMillis());
    double min = 0.0;
    double max = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
        min = area.getX();
        max = area.getMaxX();
    } else if (RectangleEdge.isLeftOrRight(edge)) {
        min = area.getMaxY();
        max = area.getY();
    }
    double result;
    if (isInverted()) {
        result = axisMax - ((java2DValue - min) / (max - min) * (axisMax - axisMin));
    } else {
        result = axisMin + ((java2DValue - min) / (max - min) * (axisMax - axisMin));
    }
    return this.timeline.toMillisecond((long) result);
}

Example 12 with DateRange

use of org.jfree.data.time.DateRange in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class DateAxis method estimateMaximumTickLabelWidth.

/**
 * Estimates the maximum width of the tick labels, assuming the specified
 * tick unit is used.
 * <P>
 * Rather than computing the string bounds of every tick on the axis, we
 * just look at two values: the lower bound and the upper bound for the
 * axis.  These two values will usually be representative.
 *
 * @param g2  the graphics device.
 * @param unit  the tick unit to use for calculation.
 *
 * @return The estimated maximum width of the tick labels.
 */
private double estimateMaximumTickLabelWidth(Graphics2D g2, DateTickUnit unit) {
    RectangleInsets tickLabelInsets = getTickLabelInsets();
    double result = tickLabelInsets.getLeft() + tickLabelInsets.getRight();
    Font tickLabelFont = getTickLabelFont();
    FontRenderContext frc = g2.getFontRenderContext();
    LineMetrics lm = tickLabelFont.getLineMetrics("ABCxyz", frc);
    if (isVerticalTickLabels()) {
        // all tick labels have the same width (equal to the height of
        // the font)...
        result += lm.getHeight();
    } else {
        // look at lower and upper bounds...
        DateRange range = (DateRange) getRange();
        Date lower = range.getLowerDate();
        Date upper = range.getUpperDate();
        String lowerStr, upperStr;
        DateFormat formatter = getDateFormatOverride();
        if (formatter != null) {
            lowerStr = formatter.format(lower);
            upperStr = formatter.format(upper);
        } else {
            lowerStr = unit.dateToString(lower);
            upperStr = unit.dateToString(upper);
        }
        FontMetrics fm = g2.getFontMetrics(tickLabelFont);
        double w1 = fm.stringWidth(lowerStr);
        double w2 = fm.stringWidth(upperStr);
        result += Math.max(w1, w2);
    }
    return result;
}

Example 13 with DateRange

use of org.jfree.data.time.DateRange in project seng438-a3-R41Ryan by seng438-winter-2022.

the class DateAxis method setMinimumDate.

/**
 * Sets the minimum date visible on the axis and sends an
 * {@link AxisChangeEvent} to all registered listeners.  If
 * <code>date</code> is on or after the current maximum date for
 * the axis, the maximum date will be shifted to preserve the current
 * length of the axis.
 *
 * @param date  the date (<code>null</code> not permitted).
 *
 * @see #getMinimumDate()
 * @see #setMaximumDate(Date)
 */
public void setMinimumDate(Date date) {
    ParamChecks.nullNotPermitted(date, "date");
    // check the new minimum date relative to the current maximum date
    Date maxDate = getMaximumDate();
    long maxMillis = maxDate.getTime();
    long newMinMillis = date.getTime();
    if (maxMillis <= newMinMillis) {
        Date oldMin = getMinimumDate();
        long length = maxMillis - oldMin.getTime();
        maxDate = new Date(newMinMillis + length);
    }
    setRange(new DateRange(date, maxDate), true, false);
    fireChangeEvent();
}

Example 14 with DateRange

use of org.jfree.data.time.DateRange in project seng438-a3-R41Ryan by seng438-winter-2022.

the class DateAxis method setRange.

/**
 * Sets the range for the axis, if requested, sends an
 * {@link AxisChangeEvent} to all registered listeners.  As a side-effect,
 * the auto-range flag is set to <code>false</code> (optional).
 *
 * @param range  the range (<code>null</code> not permitted).
 * @param turnOffAutoRange  a flag that controls whether or not the auto
 *                          range is turned off.
 * @param notify  a flag that controls whether or not listeners are
 *                notified.
 */
@Override
public void setRange(Range range, boolean turnOffAutoRange, boolean notify) {
    ParamChecks.nullNotPermitted(range, "range");
    // conversion...
    if (!(range instanceof DateRange)) {
        range = new DateRange(range);
    }
    super.setRange(range, turnOffAutoRange, notify);
}

Example 15 with DateRange

use of org.jfree.data.time.DateRange in project seng438-a3-R41Ryan by seng438-winter-2022.

the class DateAxis method estimateMaximumTickLabelWidth.

/**
 * Estimates the maximum width of the tick labels, assuming the specified
 * tick unit is used.
 * <P>
 * Rather than computing the string bounds of every tick on the axis, we
 * just look at two values: the lower bound and the upper bound for the
 * axis.  These two values will usually be representative.
 *
 * @param g2  the graphics device.
 * @param unit  the tick unit to use for calculation.
 *
 * @return The estimated maximum width of the tick labels.
 */
private double estimateMaximumTickLabelWidth(Graphics2D g2, DateTickUnit unit) {
    RectangleInsets tickLabelInsets = getTickLabelInsets();
    double result = tickLabelInsets.getLeft() + tickLabelInsets.getRight();
    Font tickLabelFont = getTickLabelFont();
    FontRenderContext frc = g2.getFontRenderContext();
    LineMetrics lm = tickLabelFont.getLineMetrics("ABCxyz", frc);
    if (isVerticalTickLabels()) {
        // all tick labels have the same width (equal to the height of
        // the font)...
        result += lm.getHeight();
    } else {
        // look at lower and upper bounds...
        DateRange range = (DateRange) getRange();
        Date lower = range.getLowerDate();
        Date upper = range.getUpperDate();
        String lowerStr, upperStr;
        DateFormat formatter = getDateFormatOverride();
        if (formatter != null) {
            lowerStr = formatter.format(lower);
            upperStr = formatter.format(upper);
        } else {
            lowerStr = unit.dateToString(lower);
            upperStr = unit.dateToString(upper);
        }
        FontMetrics fm = g2.getFontMetrics(tickLabelFont);
        double w1 = fm.stringWidth(lowerStr);
        double w2 = fm.stringWidth(upperStr);
        result += Math.max(w1, w2);
    }
    return result;
}