private void onPlotClicked(PointF point) {
// make sure the point lies within the graph area. we use gridrect
// because it accounts for margins and padding as well.
if (plot.containsPoint(point.x, point.y)) {
Number x = plot.getXVal(point);
Number y = plot.getYVal(point);
selection = null;
double xDistance = 0;
double yDistance = 0;
// find the closest value to the selection:
for (SeriesBundle<XYSeries, ? extends XYSeriesFormatter> sfPair :
plot.getRegistry().getSeriesAndFormatterList()) {
XYSeries series = sfPair.getSeries();
for (int i = 0; i < series.size(); i++) {
Number thisX = series.getX(i);
Number thisY = series.getY(i);
if (thisX != null && thisY != null) {
double thisXDistance = Region.measure(x, thisX).doubleValue();
double thisYDistance = Region.measure(y, thisY).doubleValue();
if (selection == null) {
selection = new Pair<>(i, series);
xDistance = thisXDistance;
yDistance = thisYDistance;
} else if (thisXDistance < xDistance) {
selection = new Pair<>(i, series);
xDistance = thisXDistance;
yDistance = thisYDistance;
} else if (thisXDistance == xDistance
&& thisYDistance < yDistance
&& thisY.doubleValue() >= y.doubleValue()) {
selection = new Pair<>(i, series);
xDistance = thisXDistance;
yDistance = thisYDistance;
}
}
}
}
} else {
// if the press was outside the graph area, deselect:
selection = null;
}
if (selection == null) {
selectionWidget.setText(NO_SELECTION_TXT);
} else {
selectionWidget.setText(
"Selected: "
+ selection.second.getTitle()
+ " Value: "
+ selection.second.getY(selection.first));
}
plot.redraw();
}
private void updatePlot(SeriesSize seriesSize) {
// Remove all current series from each plot
plot.clear();
// Setup our Series with the selected number of elements
series1 =
new SimpleXYSeries(
Arrays.asList(series1Numbers), SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, "Us");
series2 =
new SimpleXYSeries(
Arrays.asList(series2Numbers), SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, "Them");
plot.setDomainBoundaries(-1, series1.size(), BoundaryMode.FIXED);
plot.setRangeUpperBoundary(
SeriesUtils.minMax(series1, series2).getMaxY().doubleValue() + 1, BoundaryMode.FIXED);
if (seriesSize != null) {
switch (seriesSize) {
case TEN:
plot.setDomainStep(StepMode.INCREMENT_BY_VAL, 2);
break;
case TWENTY:
plot.setDomainStep(StepMode.INCREMENT_BY_VAL, 4);
break;
case SIXTY:
plot.setDomainStep(StepMode.INCREMENT_BY_VAL, 6);
break;
}
}
// add a new series' to the xyplot:
if (series1CheckBox.isChecked()) plot.addSeries(series1, formatter1);
if (series2CheckBox.isChecked()) plot.addSeries(series2, formatter2);
// Setup the BarRenderer with our selected options
MyBarRenderer renderer = plot.getRenderer(MyBarRenderer.class);
renderer.setBarOrientation((BarRenderer.BarOrientation) spRenderStyle.getSelectedItem());
final BarRenderer.BarGroupWidthMode barGroupWidthMode =
(BarRenderer.BarGroupWidthMode) spWidthStyle.getSelectedItem();
renderer.setBarGroupWidth(
barGroupWidthMode,
barGroupWidthMode == BarRenderer.BarGroupWidthMode.FIXED_WIDTH
? sbFixedWidth.getProgress()
: sbVariableWidth.getProgress());
if (BarRenderer.BarOrientation.STACKED.equals(spRenderStyle.getSelectedItem())) {
plot.getInnerLimits().setMaxY(15);
} else {
plot.getInnerLimits().setMaxY(0);
}
plot.redraw();
}