Java Code Examples for javafx.scene.control.ButtonBase#isArmed()

/**
 * Invoked when a mouse press has occurred over the button. In addition to
 * potentially arming the Button, this will transfer focus to the button
 */
@Override public void mousePressed(MouseEvent e) {
    final ButtonBase button = getControl();
    super.mousePressed(e);
    // if the button is not already focused, then request the focus
    if (! button.isFocused() && button.isFocusTraversable()) {
        button.requestFocus();
    }

    // arm the button if it is a valid mouse event
    // Note there appears to be a bug where if I press and hold and release
    // then there is a clickCount of 0 on the release, whereas a quick click
    // has a release clickCount of 1. So here I'll check clickCount <= 1,
    // though it should really be == 1 I think.
    boolean valid = (e.getButton() == MouseButton.PRIMARY &&
        ! (e.isMiddleButtonDown() || e.isSecondaryButtonDown() ||
            e.isShiftDown() || e.isControlDown() || e.isAltDown() || e.isMetaDown()));

    if (! button.isArmed() && valid) {
        button.arm();
    }
}
 

/**
 * This function is invoked when an appropriate keystroke occurs which
 * causes this button to be armed if it is not already armed by a mouse
 * press.
 */
private void keyPressed() {
    final ButtonBase button = getControl();
    if (!button.isPressed() && !button.isArmed()) {
        keyDown = true;
        button.arm();
    }
}
 

/**
 * Invoked when a valid keystroke release occurs which causes the button
 * to fire if it was armed by a keyPress.
 */
private void keyReleased() {
    final ButtonBase button = getControl();
    if (keyDown) {
        keyDown = false;
        if (button.isArmed()) {
            button.disarm();
            button.fire();
        }
    }
}
 

/**
 * Invoked when a mouse release has occurred. We determine whether this
 * was done in a manner that would fire the button's action. This happens
 * only if the button was armed by a corresponding mouse press.
 */
@Override public void mouseReleased(MouseEvent e) {
    // if armed by a mouse press instead of key press, then fire!
    final ButtonBase button = getControl();
    if (! keyDown && button.isArmed()) {
        button.fire();
        button.disarm();
    }
}
 

/**
 * Invoked when the mouse exits the Button. If the Button is armed due to
 * a mouse press, then this function will disarm the button upon the mouse
 * exiting it.
 */
@Override public void mouseExited(MouseEvent e) {
    // Disarm if necessary
    final ButtonBase button = getControl();
    super.mouseExited(e);
    if (! keyDown && button.isArmed()) {
        button.disarm();
    }
}