GradientSlider.java 文件源码

private void incOrDecFieldValue(KeyEvent e, double x) {

        if (!(e.getSource() instanceof TextField)) {
            return; // check it's a textField
        }        // increment or decrement the value
        final TextField tf = (TextField) e.getSource();
        final Double newValue = Double.valueOf(tf.getText()) + x;
        double rounded = round(newValue, roundingFactor);
        slider_slider.setValue(rounded);
        tf.setText(Double.toString(newValue));
        // Avoid using runLater
        // This should be done somewhere else (need to investigate)
//        Platform.runLater(new Runnable() {
//            @Override
//            public void run() {
//                // position caret after new value for easy editing
//                tf.positionCaret(tf.getText().length());
//            }
//        });
    }