/** Creates a control panel for adjusting the number of histogram classes */
private void createNumClassesPanel() {
int numClasses = getModel().getSettings().getNumClasses();
fldNumClasses = (new InputPanelW(null, app, -1, false)).getTextComponent();
fldNumClasses.setEditable(false);
fldNumClasses.setOpaque(true);
fldNumClasses.setColumns(2);
fldNumClasses.setVisible(false);
sliderNumClasses = new Slider(3, 20);
sliderNumClasses.setValue(numClasses);
sliderNumClasses.setMajorTickSpacing(1);
sliderNumClasses.addChangeHandler(
new ChangeHandler() {
public void onChange(ChangeEvent event) {
getModel().getSettings().setNumClasses(sliderNumClasses.getValue());
fldNumClasses.setText(("" + getModel().getSettings().getNumClasses()));
getModel().updatePlot(true);
}
});
numClassesPanel = new FlowPanel();
numClassesPanel.add(sliderNumClasses);
numClassesPanel.add(fldNumClasses);
}
/** @param value {@code int} */
public void setSliderValue(int value) {
if (mySlider == null) {
return;
}
mySlider.setValue(value);
sliderLabel.setText(value + "");
updateGUI();
}