How to use

isFocused

method

in

javafx.scene.control.ComboBoxBase

private void createPromptNode() {
  if (promptText != null || !linesWrapper.usePromptText.get()) {
    return;
  }
  promptText = new Text();
  StackPane.setAlignment(promptText, Pos.CENTER_LEFT);
  // create my custom pane for the prompt node
  promptText.textProperty().bind(getSkinnable().promptTextProperty());
  promptText.fillProperty().bind(linesWrapper.animatedPromptTextFill);
  promptText.getStyleClass().addAll("text");
  promptText.getTransforms().add(linesWrapper.promptTextScale);
  promptText.visibleProperty().bind(linesWrapper.usePromptText);
  promptText.setTranslateX(1);
  linesWrapper.promptContainer.getChildren().add(promptText);
  if (getSkinnable().isFocused() && ((JFXComboBox<T>) getSkinnable()).isLabelFloat()) {
    promptText.setTranslateY(-snapPosition(promptText.getBaselineOffset() + promptText.getLayoutBounds().getHeight() * .36));
    linesWrapper.promptTextScale.setX(0.85);
    linesWrapper.promptTextScale.setY(0.85);
  }
}

public AquaColorPickerSkin(ColorPicker colorPicker) {
  super(colorPicker);
  registerChangeListener(colorPicker.focusedProperty(), "FOCUSED");
  if (getSkinnable().isFocused()) {
    setFocusBorder();
  } else {
    setDropShadow();
  }
}

@Override protected void handleControlPropertyChanged(String p) {
  super.handleControlPropertyChanged(p);
  if (p == "FOCUSED") {
    if (!(getSkinnable().getParent() instanceof ComboBox)) {
      if (getSkinnable().isFocused()) {
        setFocusBorder();
      } else {
        setDropShadow();
      }
    }
  }
}

public AquaComboBoxListViewSkin(ComboBox<T> comboBox) {
  super(comboBox);
  registerChangeListener(comboBox.disabledProperty(), "DISABLED");
  if (getSkinnable().isFocused()) {
    setFocusBorder();
  } else if (!getSkinnable().isFocused() && !getSkinnable().isDisabled()) {
    setDropShadow();
  }
  for (Object child : getChildren()) {
    ((Node) child).focusedProperty().addListener(focusListener);
  }
  if (comboBox.isEditable()) {
    getDisplayNode().focusedProperty().addListener(focusListener);
  }
  getSkinnable().focusedProperty().addListener(focusListener);
}

private void createPromptNode() {
  if (promptText != null || !linesWrapper.usePromptText.get()) {
    return;
  }
  promptText = new Text();
  StackPane.setAlignment(promptText, Pos.CENTER_LEFT);
  // create my custom pane for the prompt node
  promptText.textProperty().bind(getSkinnable().promptTextProperty());
  promptText.fillProperty().bind(linesWrapper.animatedPromptTextFill);
  promptText.getStyleClass().addAll("text");
  promptText.getTransforms().add(linesWrapper.promptTextScale);
  promptText.visibleProperty().bind(linesWrapper.usePromptText);
  promptText.setTranslateX(1);
  linesWrapper.promptContainer.getChildren().add(promptText);
  if (getSkinnable().isFocused() && ((JFXComboBox<T>) getSkinnable()).isLabelFloat()) {
    promptText.setTranslateY(-snapPositionY(promptText.getBaselineOffset() + promptText.getLayoutBounds().getHeight() * .36));
    linesWrapper.promptTextScale.setX(0.85);
    linesWrapper.promptTextScale.setY(0.85);
  }
}