/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.gwt.gen2.event.logical.shared;

import com.google.gwt.gen2.event.shared.*;

/**
 * Fired after an event source has selected a new value.
 *
 * @param <Value> the type of value the widget has selected
 *
 * @deprecated use the com.google.gwt.event.logical.shared classes instead
 */
@Deprecated
public class SelectionEvent<Value> extends AbstractEvent {

    /**
     * The event type.
     */
    public static final Type<SelectionEvent, SelectionHandler> TYPE = new Type<SelectionEvent, SelectionHandler>() {

        @Override
        protected void fire( SelectionHandler handler, SelectionEvent event ) {
            handler.onSelection( event );
        }
    };

    private Value oldValue;
    private Value newValue;

    /**
     * Constructor.
     *
     * @param oldValue the old value
     * @param newValue the new value
     */

    public SelectionEvent( Value oldValue, Value newValue ) {
        this.oldValue = oldValue;
        this.newValue = newValue;
    }

    /**
     * Returns the new value.
     *
     * @return the new value
     */
    public Value getNewValue() {
        assertLive();
        return newValue;
    }

    /**
     * Returns the old value.
     *
     * @return the old value
     */
    public Value getOldValue() {
        assertLive();
        return oldValue;
    }

    @Override
    public String toDebugString() {
        assertLive();
        return super.toDebugString() + " old = " + oldValue + " new =" + newValue;
    }

    @Override
    protected Type getType() {
        return TYPE;
    }
}