/*******************************************************************************
 * Copyright (c) 2000, 2008 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *     
 * Port to the D programming language:
 *     Jacob Carlborg <doob@me.com>
 *******************************************************************************/
module dwt.accessibility.AccessibleEvent;

import dwt.internal.DWTEventObject;

import tango.text.convert.Format;

import dwt.dwthelper.utils;

/**
 * Instances of this class are sent as a result of
 * accessibility clients sending messages to controls
 * asking for information about the control instance.
 * <p>
 * Note: The meaning of the result field depends
 * on the message that was sent.
 * </p>
 *
 * @see AccessibleListener
 * @see AccessibleAdapter
 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
 * 
 * @since 2.0
 */
public class AccessibleEvent : DWTEventObject {
    /**
     * The value of this field is set by an accessibility client
     * before the accessible listener method is called.
     * ChildID can be CHILDID_SELF, representing the control itself,
     * or a 0-based integer representing a specific child of the control.
     */
    public int childID;
    
/**
 * The value of this field must be set in the accessible listener
 * method before returning.
 * What to set it to depends on the listener method called, and
 * the childID specified by the client.
 */
public String result;

static const long serialVersionUID = 3257567304224026934L;

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

/**
 * Returns a string containing a concise, human-readable
 * description of the receiver.
 *
 * @return a string representation of the event
 */
public String toString () {
    return Format("AccessibleEvent {childID={}{}{}{}" , childID , " result=" , result , "}"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
}