public int showDialog(JChart chart) {
JOptionPane optionPane =
new JOptionPane(
optionPanel,
JOptionPane.QUESTION_MESSAGE,
JOptionPane.OK_CANCEL_OPTION,
null,
null,
null);
optionPane.setBorder(new EmptyBorder(12, 12, 12, 12));
Axis xAxis = chart.getXAxis();
Axis yAxis = chart.getYAxis();
if (canLogXAxis) {
logXAxis.setSelected(xAxis instanceof LogAxis);
}
if (canLogYAxis) {
logYAxis.setSelected(yAxis instanceof LogAxis);
}
if (!manualXAxis.isSelected()) {
minXValue.setValue(xAxis.getMinAxis());
maxXValue.setValue(xAxis.getMaxAxis());
}
if (!manualYAxis.isSelected()) {
minYValue.setValue(yAxis.getMinAxis());
maxYValue.setValue(yAxis.getMaxAxis());
}
final JDialog dialog = optionPane.createDialog(frame, "Setup Chart");
dialog.pack();
dialog.setVisible(true);
final Integer value = (Integer) optionPane.getValue();
final int result = (value != null && value != -1) ? value : JOptionPane.CANCEL_OPTION;
if (result == JOptionPane.OK_OPTION) {
applySettings(chart);
}
return result;
}
/** Get the FrequencyDistribution object */
protected FrequencyDistribution getFrequencyDistribution(Variate data, int minimumBinCount) {
double min = (Double) data.getMin();
double max = (Double) data.getMax();
if (min == max) {
if (min == 0) {
min = -1.0;
} else {
min -= Math.abs(min / 10.0);
}
if (max == 0) {
max = 1.0;
} else {
max += Math.abs(max / 10.0);
}
}
Axis axis = new LinearAxis(Axis.AT_MAJOR_TICK, Axis.AT_MAJOR_TICK);
axis.setRange(min, max);
int majorTickCount = axis.getMajorTickCount();
axis.setPrefNumTicks(majorTickCount, 4);
double binSize = axis.getMinorTickSpacing();
int binCount = (int) ((axis.getMaxAxis() - axis.getMinAxis()) / binSize) + 2;
if (minimumBinCount > 0) {
while (binCount < minimumBinCount) {
majorTickCount++;
axis.setPrefNumTicks(majorTickCount, 4);
binSize = axis.getMinorTickSpacing();
binCount =
(int) ((axis.getMaxAxis() - axis.getMinAxis()) / binSize)
+ 2; // should +2, otherwise the last bar will lose
}
}
FrequencyDistribution frequency =
new FrequencyDistribution(axis.getMinAxis(), binCount, binSize);
for (int i = 0; i < raw.getCount(); i++) {
frequency.addValue((Double) raw.get(i));
}
return frequency;
}