I have this situation in a part of my JavaFX application. There are 2 Sliders and a ToggleGroup of RadioButtons that are returning a value in acquisitionTimeValueLabel when they are manipulated by the user. My question is: is there a way to have a Slider also for the acquistion time? So I can set it directly and the other controllers will be influenced from it. To be more clear, I would like to have the option to have also the inverse function.
Also I am not very sure about the title of the question, so edits are very welcomed.
An example of my code:
public class dasd { private RadioButton first; private RadioButton second; private RadioButton third; private ToggleGroup group; private Slider ramWidthSlider = new Slider(0, 255, 0); private Label ramWidthValueLabel = new Label("256 bytes (64 words)"); private Slider sampleRateSlider = new Slider (0, 15, 0); private Label sampleRateValueLabel = new Label("13560 KHz"); private Label acquisitionTimeValueLabel = new Label ("some value"); private static final String[] STRINGS_FREQ = new String[16]; private static final String[] STRINGS_MEM = new String[256]; @FXML private void initialize(){ first.setToggleGroup(group); second.setToggleGroup(group); third.setToggleGroup(group); group.selectedToggleProperty().addListener((ov, old_toggle, new_toggle) -> { if (group.getSelectedToggle() != null) { } }); fillTheClock(); fillTheRam(); ramWidthValueLabel.textProperty().bind( Bindings.createStringBinding( () -> getDisplayMemory((int) Math.round(ramWidthSlider.getValue())), ramWidthSlider.valueProperty() ) ); sampleRateValueLabel.textProperty().bind( Bindings.createStringBinding( () -> getDisplayFrequency((int) Math.round(sampleRateSlider.getValue())), sampleRateSlider.valueProperty() ) ); acquisitionTimeValueLabel.textProperty().bind( Bindings.createStringBinding( () -> String.format("%.3f", (pow(2, (group.getToggles().indexOf(group.getSelectedToggle())))) * (pow(2, sampleRateSlider.getValue()) / 13.56) * 64 * (ramWidthSlider.getValue() + 1) ) + " µs of acquisition", group.selectedToggleProperty(), ramWidthSlider.valueProperty(), sampleRateSlider.valueProperty() ) ); } /**\ * Methods for displaying the values of the Sample Rate Slider * */ private static void fillTheClock() { double frequency = 13560; for (int i = 0; i <= 15; i++) { STRINGS_FREQ[i] = Double.toString(frequency) + " KHz"; frequency = frequency / 2; } } private static String getDisplayFrequency(int value) { return STRINGS_FREQ[value]; } /** * Methods for displaying the values of Memory Width Slider * */ private static void fillTheRam() { int memory = 256 ; for (int i = 0; i <= 255; i++) { STRINGS_MEM[i] = Integer.toString(memory) + " bytes (" + Integer.toString(memory/4) + " words)"; memory = memory + 256; } } private static String getDisplayMemory(int value){ return STRINGS_MEM[value]; } } 1 Answers
Answers 1
If I understand your question will you want to edit a label value from 3 different sources the third one is directly edit the label value which will affect the first two:
So you can make the third slider and listen to the changes of it's value like so:
slider.valueProperty().addListener(new ChangeListener<Number>() { @Override public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) { //write your logic here where newValue if the current value of the slider } }); in this method you can do your logic to edit the values of the other sliders.
I hope it helps
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