Example usage for com.vaadin.client ServerConnector addStateChangeHandler

Introduction

In this page you can find the example usage for com.vaadin.client ServerConnector addStateChangeHandler.

Prototype

public HandlerRegistration addStateChangeHandler(StateChangeHandler handler);

Source Link

Document

Adds a handler that is called whenever any part of the state has been updated by the server.

Usage

From source file:com.mcparland.john.vaadin_mvn_arch.client.samples.ResetButtonForTextFieldConnector.java

License:Apache License

@Override
protected void extend(ServerConnector serverConnector) {
    serverConnector.addStateChangeHandler(new StateChangeEvent.StateChangeHandler() {
        /**//  w  w w  .  java  2 s.c om
         * The serialVersionUID.
         */
        private static final long serialVersionUID = 1L;

        @Override
        public void onStateChanged(StateChangeEvent stateChangeEvent) {
            Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() {
                @Override
                public void execute() {
                    updateResetButtonVisibility();
                }
            });
        }
    });

    textField = (VTextField) ((ComponentConnector) serverConnector).getWidget();
    textField.addStyleName(CLASSNAME + "-textfield");

    resetButtonElement = DOM.createDiv();
    resetButtonElement.addClassName(CLASSNAME + "-resetbutton");

    textField.addAttachHandler(this);
    textField.addKeyUpHandler(this);
}

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