/*
* SmartGWT (GWT for SmartClient)
* Copyright 2008 and beyond, Isomorphic Software, Inc.
*
* SmartGWT is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3
* as published by the Free Software Foundation. SmartGWT is also
* available under typical commercial license terms - see
* http://smartclient.com/license
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package com.smartgwt.client.data.events;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.event.shared.HasHandlers;
import com.smartgwt.client.event.AbstractSmartEvent;
public class DataChangedEvent extends AbstractSmartEvent<DataChangedHandler> {
/**
* Handler type.
*/
private static Type<DataChangedHandler> TYPE;
/**
* Fires a open event on all registered handlers in the handler manager.If no
* such handlers exist, this method will do nothing.
*
* @param <S> The event source
* @param source the source of the handlers
* @param jsObj the native event
*/
public static <S extends HasDataChangedHandlers & HasHandlers> void fire(
S source, JavaScriptObject jsObj) {
if (TYPE != null) {
DataChangedEvent event = new DataChangedEvent(jsObj);
source.fireEvent(event);
}
}
/**
* Gets the type associated with this event.
*
* @return returns the handler type
*/
public static Type<DataChangedHandler> getType() {
if (TYPE == null) {
TYPE = new Type<DataChangedHandler>();
}
return TYPE;
}
@Override
protected void dispatch(DataChangedHandler handler) {
handler.onDataChanged(this);
}
// Because of type erasure, our static type is
// wild carded, yet the "real" type should use our I param.
@SuppressWarnings("unchecked")
@Override
public final Type<DataChangedHandler> getAssociatedType() {
return TYPE;
}
public DataChangedEvent(JavaScriptObject jsObj) {
super(jsObj);
}
}