/*******************************************************************************
* Copyright (c) 2002, 2014 Innoopract Informationssysteme GmbH 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:
* Innoopract Informationssysteme GmbH - initial API and implementation
* EclipseSource - ongoing development
******************************************************************************/
package org.eclipse.rap.rwt.widgets;
import org.eclipse.swt.widgets.Widget;
/**
* Helper class to access RWT specific properties of widgets.
*
* @since 2.3
*/
public final class WidgetUtil {
private WidgetUtil() {
// prevent instantiation
}
/**
* Returns the protocol ID of the given widget.
*
* @param widget the widget to obtain the id for, must not be <code>null</code>
* @return the id for the given <code>widget</code>
*/
public static String getId( Widget widget ) {
return org.eclipse.rap.rwt.internal.lifecycle.WidgetUtil.getId( widget );
}
/**
* Adds keys to the list of widget data keys to be synchronized with the client. It is save to add
* the same key twice, there are no side-effects. The method has to be called from the UI thread
* and affects the entire UI-session. The data is only transferred from server to client, not
* back.
*
* @see org.eclipse.swt.widgets.Widget#setData(String, Object)
* @param keys The keys to add to the list.
*/
public static void registerDataKeys( String... keys ) {
org.eclipse.rap.rwt.internal.lifecycle.WidgetUtil.registerDataKeys( keys );
}
}