/** 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);
}
private void initSlider() {
mySlider = new Slider(0, 100);
mySlider.setMajorTickSpacing(25);
mySlider.setMinorTickSpacing(5);
mySlider.addChangeHandler(this);
Slider.addInputHandler(mySlider.getElement(), this);
sliderLabel = new Label();
FlowPanel panel = new FlowPanel();
panel.add(mySlider);
panel.add(sliderLabel);
sliderLabel.addStyleName("popupSliderLabel");
panel.addStyleName("panelRow");
myPopup.getPanel().add(panel);
}