Example usage for javafx.beans.binding When When

Introduction

In this page you can find the example usage for javafx.beans.binding When When.

Prototype

public When(final @NamedArg("condition") ObservableBooleanValue condition) 

Source Link

Document

The constructor of When .

Usage

From source file:Main.java

public static void main(String[] args) {
    DoubleProperty a = new SimpleDoubleProperty(0);
    DoubleProperty b = new SimpleDoubleProperty(0);

    DoubleBinding s = a.add(b).divide(2.0D);

    final DoubleBinding aBinding = new When(a.add(b).greaterThan(b).and(a.add(a).greaterThan(b)))
            .then(s.multiply(s.subtract(a)).multiply(s.subtract(b))).otherwise(0.0D);

    a.set(3);/*  www .j  a  va  2s.c om*/
    b.set(4);
    System.out.println(a.get());
    System.out.println(b.get());
    System.out.println(aBinding.get());

    a.set(2);
    b.set(2);
    System.out.println(a.get());
    System.out.println(b.get());
    System.out.println(aBinding.get());

}

---

From source file:Main.java

@Override
public void start(Stage stage) {
    Button b1 = new Button("B1");
    Button b2 = new Button("B2");
    Button b3 = new Button("B3");
    Button visibleBtn = new Button("Make Invisible");

    visibleBtn.setOnAction(e -> b2.setVisible(!b2.isVisible()));

    visibleBtn.textProperty().bind(new When(b2.visibleProperty()).then("Invisible").otherwise("Visible"));

    b2.managedProperty().bind(b2.visibleProperty());

    HBox root = new HBox();
    root.getChildren().addAll(visibleBtn, b1, b2, b3);

    Scene scene = new Scene(root);
    stage.setScene(scene);/*from w w  w  .  j  a v  a 2 s . c  o m*/
    stage.setTitle("");
    stage.show();
}

---

From source file:de.thomasbolz.renamer.RenamerGUI.java

/**
 * Initialize the property bindings.//w  w  w .j  a v a 2s.  co  m
 */
private void initBindings() {

    // reflect changes of srcDirectory in the GUI and store the new source dir to the preferences
    srcDirectory.addListener(new ChangeListener<File>() {
        @Override
        public void changed(ObservableValue<? extends File> observableValue, File oldFile, File newFile) {
            if (newFile != null) {
                String path = newFile.getAbsolutePath();
                lblSource.setText(path);
                setSourceDirectoryToPrefs(path);
            }
            setSimulationMode(true);
        }
    });
    // reflect changes of targetDirectory in the GUI and store the new target dir to the preferences
    targetDirectory.addListener(new ChangeListener<File>() {
        @Override
        public void changed(ObservableValue<? extends File> observableValue, File oldFile, File newFile) {
            if (newFile != null) {
                String path = newFile.getAbsolutePath();
                lblTarget.setText(path);
                setTargetDirectoryToPrefs(path);
            }
            setSimulationMode(true);
        }
    });
    btnRename.textProperty()
            .bind(new When(simulationMode).then("Simulate renaming").otherwise("Execute renaming"));
}

---