/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* C E D A R
* S O L U T I O N S "Software done right."
* S O F T W A R E
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (c) 2013-2014 Kenneth J. Pronovici.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the Apache License, Version 2.0.
* See LICENSE for more information about the licensing terms.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Author : Kenneth J. Pronovici <pronovic@ieee.org>
* Language : Java 6
* Project : Common Java Functionality
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
package com.cedarsolutions.client.gwt.event;
import com.flipthebird.gwthashcodeequals.EqualsBuilder;
import com.flipthebird.gwthashcodeequals.HashCodeBuilder;
import com.google.gwt.event.dom.client.ClickEvent;
/**
* Unified event that includes context information about the event.
* @param <T> Type of the event context
* @author Kenneth J. Pronovici <pronovic@ieee.org>
*/
public class UnifiedEventWithContext<T> extends UnifiedEvent {
/** Context associated with this event. */
private T context;
/** Create a unified event when no extra event type information is needed. */
public UnifiedEventWithContext(T context) {
this(UnifiedEventType.DEFAULT_EVENT, context);
}
/** Create a unified event of a particular type. */
public UnifiedEventWithContext(UnifiedEventType eventType, T context) {
super(eventType);
this.context = context;
}
/** Create a unified event based on a ClickEvent. */
public UnifiedEventWithContext(ClickEvent clickEvent, T context) {
super(clickEvent);
this.context = context;
}
/** Get the context associated with this event. */
public T getContext() {
return this.context;
}
/** Compare this object to another object. */
@Override
@SuppressWarnings("unchecked")
public boolean equals(Object obj) {
UnifiedEventWithContext<T> other = (UnifiedEventWithContext<T>) obj;
return new EqualsBuilder()
.appendSuper(super.equals(obj))
.append(this.context, other.context)
.isEquals();
}
/** Generate a hash code for this object. */
@Override
public int hashCode() {
return new HashCodeBuilder()
.appendSuper(super.hashCode())
.append(this.context)
.toHashCode();
}
}