CubaComboBoxWidget.java 文件源码

@Override
public void onKeyUp(KeyUpEvent event) {
    if (enabled && !readonly) {
        switch (event.getNativeKeyCode()) {
            case KeyCodes.KEY_ENTER:
            case KeyCodes.KEY_TAB:
            case KeyCodes.KEY_SHIFT:
            case KeyCodes.KEY_CTRL:
            case KeyCodes.KEY_ALT:
            case KeyCodes.KEY_DOWN:
            case KeyCodes.KEY_UP:
            case KeyCodes.KEY_PAGEDOWN:
            case KeyCodes.KEY_PAGEUP:
            case KeyCodes.KEY_ESCAPE:
                // NOP
                break;
            default:
                // special case for "clear" shortcut action
                if (event.isShiftKeyDown() && event.getNativeKeyCode() == KeyCodes.KEY_DELETE) {
                    suggestionPopup.hide();
                } else {
                    // do not show options popup if we handle shortcut action
                    if (!event.isControlKeyDown()
                            && !event.isAltKeyDown()) {
                        super.onKeyUp(event);
                    }
                }
                break;
        }
    }
}