AutoCompleteTextFieldConnector.java 文件源码

@Override
protected void extend(final ServerConnector target) {
    textFieldWidget = (VTextField) ((ComponentConnector) target).getWidget();
    textFieldWidget.setImmediate(true);
    textFieldWidget.textChangeEventMode = "EAGER";
    panel.setWidget(select);
    panel.setStyleName("suggestion-popup");
    panel.setOwner(textFieldWidget);

    textFieldWidget.addKeyUpHandler(new KeyUpHandler() {
        @Override
        public void onKeyUp(final KeyUpEvent event) {
            if (panel.isAttached()) {
                handlePanelEventDelegation(event);
            } else if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
                rpc.executeQuery(textFieldWidget.getValue(), textFieldWidget.getCursorPos());
            } else {
                doAskForSuggestion();
            }
        }
    });
}