plugins/org.eclipse.emf.parsley.web.servlets/src/org/eclipse/swt/events/TypedEvent.java

/*******************************************************************************
 * Copyright (c) 2015 RCP Vision (http://www.rcp-vision.com) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 * Vincenzo Caselli - Initial contribution and API
 * 
 *******************************************************************************/
package org.eclipse.swt.events;


import org.eclipse.swt.internal.SWTEventObject;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Widget;

public class TypedEvent extends SWTEventObject {

    /**
     * the display where the event occurred
     * 
     * @since 2.0
     */
    public Display display;

    /**
     * the widget that issued the event
     */
    public Widget widget;

    /**
     * the time that the event occurred.
     * 
     * NOTE: This field is an unsigned integer and should be AND'ed with 0xFFFFFFFFL so that it can
     * be treated as a signed long.
     */
    public int time;

    /**
     * a field for application use
     */
    public Object data;

    static final long serialVersionUID = 3257285846578377524L;

    /**
     * Constructs a new instance of this class.
     *
     * @param object the object that fired the event
     */
    public TypedEvent(Object object) {
        super(object);
    }

    /**
     * Constructs a new instance of this class based on the information in the argument.
     *
     * @param e the low level event to initialize the receiver with
     */
    public TypedEvent(Event e) {
        super(e.widget);
        this.display = e.display;
        this.widget = e.widget;
        this.time = e.time;
        this.data = e.data;
    }

    /**
     * Returns the name of the event. This is the name of the class without the package name.
     *
     * @return the name of the event
     */
    String getName() {
        String string = getClass().getName();
        int index = string.lastIndexOf('.');
        if (index == -1)
            return string;
        return string.substring(index + 1, string.length());
    }

    /**
     * Returns a string containing a concise, human-readable description of the receiver.
     *
     * @return a string representation of the event
     */
    @Override
    public String toString() {
        return getName() + "{" + widget + " time=" + time + " data=" + data + "}";
    }
}