Example usage for com.google.gwt.storage.client Storage removeStorageEventHandler

Introduction

In this page you can find the example usage for com.google.gwt.storage.client Storage removeStorageEventHandler.

Prototype

public static void removeStorageEventHandler(StorageEvent.Handler handler) 

Source Link

Document

De-registers an event handler for StorageEvents.

Usage

From source file:eu.maxschuster.vaadin.localstorage.client.LocalStorageConnector.java

License:Apache License

@Override
public void onStateChanged(StateChangeEvent stateChangeEvent) {
    super.onStateChanged(stateChangeEvent);
    if (stateChangeEvent.hasPropertyChanged("registeredEventListeners")) {
        Set<String> listeners = getState().registeredEventListeners;
        if (listeners != null) {
            // Fire update events when a listener is defined
            if (listeners.contains(ItemUpdateEvent.ITEM_UPDATE_EVENT_IDENTIFIER)) {
                if (!storageEventHandler.isAttached()) {
                    Storage.addStorageEventHandler(storageEventHandler);
                    storageEventHandler.setAttached(true);
                }//from   w  ww  .ja va2  s .c  om
            } else {
                if (storageEventHandler.isAttached()) {
                    Storage.removeStorageEventHandler(storageEventHandler);
                    storageEventHandler.setAttached(true);
                }
            }
        }
    }
}

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