/*
*
* Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under
* one or more contributor license agreements (see COPYRIGHT for details).
* The CA licenses this file to you under the GNU Affero General Public
* License version 3, (the "License"); you may not use this file except in
* compliance with the License. This file is part of kune.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package cc.kune.core.client.events;
import com.google.gwt.event.shared.EventHandler;
import com.google.gwt.event.shared.GwtEvent;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.event.shared.HasHandlers;
import com.google.web.bindery.event.shared.EventBus;
// TODO: Auto-generated Javadoc
/**
* The Class StateChangedEvent.
*
* @author vjrj@ourproject.org (Vicente J. Ruiz Jurado)
*/
public class StateChangedEvent extends GwtEvent<StateChangedEvent.StateChangedHandler> {
/**
* The Interface HasStateChangedHandlers.
*
* @author vjrj@ourproject.org (Vicente J. Ruiz Jurado)
*/
public interface HasStateChangedHandlers extends HasHandlers {
/**
* Adds the state changed handler.
*
* @param handler
* the handler
* @return the handler registration
*/
HandlerRegistration addStateChangedHandler(StateChangedHandler handler);
}
/**
* The Interface StateChangedHandler.
*
* @author vjrj@ourproject.org (Vicente J. Ruiz Jurado)
*/
public interface StateChangedHandler extends EventHandler {
/**
* On state changed.
*
* @param event
* the event
*/
public void onStateChanged(StateChangedEvent event);
}
/** The Constant TYPE. */
private static final Type<StateChangedHandler> TYPE = new Type<StateChangedHandler>();
/**
* Fire.
*
* @param eventBus
* the source
* @param state
* the state
*/
public static void fire(final EventBus eventBus, final cc.kune.core.shared.dto.StateAbstractDTO state) {
eventBus.fireEvent(new StateChangedEvent(state));
}
/**
* Gets the type.
*
* @return the type
*/
public static Type<StateChangedHandler> getType() {
return TYPE;
}
/** The state. */
cc.kune.core.shared.dto.StateAbstractDTO state;
/**
* Instantiates a new state changed event.
*/
protected StateChangedEvent() {
// Possibly for serialization.
}
/**
* Instantiates a new state changed event.
*
* @param state
* the state
*/
public StateChangedEvent(final cc.kune.core.shared.dto.StateAbstractDTO state) {
this.state = state;
}
/*
* (non-Javadoc)
*
* @see
* com.google.gwt.event.shared.GwtEvent#dispatch(com.google.gwt.event.shared
* .EventHandler)
*/
@Override
protected void dispatch(final StateChangedHandler handler) {
handler.onStateChanged(this);
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final StateChangedEvent other = (StateChangedEvent) obj;
if (state == null) {
if (other.state != null) {
return false;
}
} else if (!state.equals(other.state)) {
return false;
}
return true;
}
/*
* (non-Javadoc)
*
* @see com.google.gwt.event.shared.GwtEvent#getAssociatedType()
*/
@Override
public Type<StateChangedHandler> getAssociatedType() {
return TYPE;
}
/**
* Gets the state.
*
* @return the state
*/
public cc.kune.core.shared.dto.StateAbstractDTO getState() {
return state;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
int hashCode = 23;
hashCode = (hashCode * 37) + (state == null ? 1 : state.hashCode());
return hashCode;
}
/*
* (non-Javadoc)
*
* @see com.google.web.bindery.event.shared.Event#toString()
*/
@Override
public String toString() {
return "StateChangedEvent[" + state + "]";
}
}